diff --git a/README.md b/README.md
index 363812b..070e2a1 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,8 @@ Join link: [Google meet](https://meet.google.com/jyx-mxnq-kpk)
 
 ## 2024 4Q meetup list
 
-- [214th, 2024-12-21](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/405), will be open
+- [215th, 2024-12-28](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/407), will be open
+- [214th, 2024-12-21](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/405), joined 4
 - [213th, 2024-12-14](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/400), joined 2
 - [212th, 2024-12-07](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/399), joined 3
 - [211th, 2024-11-30](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/397), joined 5
@@ -389,32 +390,33 @@ and participate more than 30 online meetup, get the chicken gifticon.
 
 |Ranking|Name|Count|
 |-------|----|-----|
-|1|[Kim Jong Feel](https://github.com/jongfeel/)|50|
+|1|[Kim Jong Feel](https://github.com/jongfeel/)|51|
 |2|[최지윤](https://github.com/chichoon/)|44|
 |3|[Yeshin Lee](https://github.com/yeslee-v/)|39|
 |4|[TaeWon](https://github.com/ytw9699/)|25|
 |5|[Jeongan Lee](https://github.com/fkdl0048/)|18|
-|6|[Byeongguk Ahn](https://github.com/nonoaa/)|17|
-|7|[hyuncho](https://github.com/aquamagic9)|14|
+|6|[Byeongguk Ahn](https://github.com/nonoaa/)|18|
+|7|[hyuncho](https://github.com/aquamagic9)|15|
 |8|[Jaewoo Park](https://github.com/ohdair/)|12|
 |9|[Jiyun Yun](https://github.com/jeeyn)|10|
 |10|[YeongKwonMo](https://github.com/momoci99/)|8|
 |11|[진태영](https://github.com/jintaeyeong)|4|
 |12|[soo:bak](https://github.com/soo-bak)|2|
 |13|[Park ChulHwan](https://github.com/Chul-Hwan)|1|
+|14|[김지수](https://github.com/tttghost)|1|
 
 ### All from first to present
 
 |Ranking|Name|Count|
 |-------|----|-----|
-|1|[jongfeel](https://github.com/jongfeel/)|210|
+|1|[jongfeel](https://github.com/jongfeel/)|211|
 |2|[최지윤](https://github.com/chichoon)|133|
 |3|[yeslee-v](https://github.com/yeslee-v/)|71|
 |4|[Jeongan Lee](https://github.com/fkdl0048/)|49|
 |5|[TaeWon](https://github.com/ytw9699/)|36|
 |6|[Joseph-Cha](https://github.com/Joseph-Cha/)|34|
 |7|[hi-hyein](https://github.com/hi-hyein/)|30|
-|8|[Byeongguk Ahn](https://github.com/nonoaa/)|25|
+|8|[Byeongguk Ahn](https://github.com/nonoaa/)|26|
 |9|[YeongKwonMo](https://github.com/momoci99/)|23|
 |10|[Jaewoo Park](https://github.com/ohdair/)|23|
 |11|[eunyeong-so](https://github.com/eunyeong-so/)|21|
@@ -422,7 +424,7 @@ and participate more than 30 online meetup, get the chicken gifticon.
 |13|[wjrmffldrhrl](https://github.com/wjrmffldrhrl/)|20|
 |14|[exgs](https://github.com/exgs)|19|
 |15|[fora22](https://github.com/fora22/)|19|
-|16|[hyuncho](https://github.com/aquamagic9/)|18|
+|16|[hyuncho](https://github.com/aquamagic9/)|19|
 |17|[TaeHyoungKwon](https://github.com/TaeHyoungKwon/)|17|
 |18|[soo:bak](https://github.com/soo-bak)|15|
 |19|[yoonucho](https://github.com/yoonucho/)|14|
@@ -453,6 +455,7 @@ and participate more than 30 online meetup, get the chicken gifticon.
 |44|[cyhcyh100](https://github.com/cyhcyh100/)|1|
 |45|[3Cat-jaguar](https://github.com/3Cat-jaguar)|1|
 |46|[Park ChulHwan](https://github.com/Chul-Hwan)|1|
+|47|[김지수](https://github.com/tttghost)|1|
 
 ### Ranking history
 
diff --git a/Stamp/README.md b/Stamp/README.md
index 8584da7..6fbde99 100644
--- a/Stamp/README.md
+++ b/Stamp/README.md
@@ -26,15 +26,16 @@
 
 | Name | 10-05 (203th) | 10-12 (204th) | 10-19 (205th) | 10-26 (206th) | 11-02 (207th) | 11-09 (208th) | 11-16 (209th) | 11-23 (210th) | 11-30 (211th) | 12-07 (212th) | [12-14 (213th)](https://github.com/ThinkAboutSoftware/HomeComingDay/issues/50) | 12-21 (214th) | 12-28 (215th) |
 |-|-|-|-|-|-|-|-|-|-|-|-|-|-|
-| [Kim Jong Feel](https://github.com/jongfeel/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2394861634"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2408302199"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/383#issuecomment-2423474877"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/386#issuecomment-2439171873"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/389#issuecomment-2452791677"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465984684"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2480300277"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/395#issuecomment-2506206706"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/397#issuecomment-2508794257"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/399#issuecomment-2524821860"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/400#issuecomment-2542655755"><img src="approved.png"/></a> | 
+| [Kim Jong Feel](https://github.com/jongfeel/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2394861634"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2408302199"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/383#issuecomment-2423474877"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/386#issuecomment-2439171873"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/389#issuecomment-2452791677"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465984684"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2480300277"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/395#issuecomment-2506206706"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/397#issuecomment-2508794257"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/399#issuecomment-2524821860"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/400#issuecomment-2542655755"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/405#issuecomment-2557942938"><img src="approved.png"/></a> | 
+| [hyuncho](https://github.com/aquamagic9/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2394849167"><img src="approved.png"/><img src="Starbucks_two_americano_two_cake.jpg"/>book 8/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2408288607"><img src="approved.png"/>book 9/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/383#issuecomment-2423429801"><img src="approved.png"/><img src="approved.png"/>book 10/20</a> | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/389#issuecomment-2452780376"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 11/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465969703"><img src="approved.png"/>book 12/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2480263655"><img src="approved.png"/>book 13/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/395#issuecomment-2495189695"><img src="approved.png"/>book 14/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/397#issuecomment-2508774722"><img src="approved.png"/><img src="Double Espresso Cream Latte.jpg"/>book 15/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/399#issuecomment-2524742510"><img src="approved.png"/><img src="approved.png"/>book 16/20</a> | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/405#issuecomment-2557938015"><img src="approved.png"/>book 17/20</a> | 
+| [Byeongguk Ahn](https://github.com/nonoaa/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2394850016"><img src="approved.png"/>book 5/20</a> | | | | | | | | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/405#issuecomment-2557939484"><img src="approved.png"/>book 6/20</a> |
+| [김지수](https://github.com/tttghost/) | | | | | | | | | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/405#issuecomment-2557942274"><img src="approved.png"/>book 1/20</a> |
 | [최지윤](https://github.com/chichoon) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2394852171"><img src="approved.png"/>book 10/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2408290344"><img src="approved.png"/>book 11/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/383#issuecomment-2423429295"><img src="approved.png"/><img src="Starbucks_americano.JPG"/><img src="approved.png"/>book 12/20</a> | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2479120185"><img src="approved.png"/>book 13/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2479120185"><img src="approved.png"/>book 14/20</a> | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/399#issuecomment-2524681914"><img src="approved.png"/><img src="Double Espresso Cream Latte.jpg"/><img src="approved.png"/>book 15/20</a> |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/400#issuecomment-2542680000"><img src="approved.png"/><img src="approved.png"/>book 16/20</a> | 
-| [hyuncho](https://github.com/aquamagic9/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2394849167"><img src="approved.png"/><img src="Starbucks_two_americano_two_cake.jpg"/>book 8/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2408288607"><img src="approved.png"/>book 9/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/383#issuecomment-2423429801"><img src="approved.png"/><img src="approved.png"/>book 10/20</a> | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/389#issuecomment-2452780376"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 11/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465969703"><img src="approved.png"/>book 12/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2480263655"><img src="approved.png"/>book 13/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/395#issuecomment-2495189695"><img src="approved.png"/>book 14/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/397#issuecomment-2508774722"><img src="approved.png"/><img src="Double Espresso Cream Latte.jpg"/>book 15/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/399#issuecomment-2524742510"><img src="approved.png"/><img src="approved.png"/>book 16/20</a> | 
 | [Yeshin Lee](https://github.com/yeslee-v/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2392842126"><img src="approved.png"/>book 20/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2407048804"><img src="approved.png"/>book 1/20</a> | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/386#issuecomment-2439165767"><img src="approved.png"/><img src="Starbucks_americano.JPG"/><img src="approved.png"/>book 2/20</a> | |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465965281"><img src="approved.png"/>book 3/20</a> |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/393#issuecomment-2479073990"><img src="approved.png"/>book 4/20</a> |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/395#issuecomment-2490966671"><img src="approved.png"/><img src="Double Espresso Cream Latte.jpg"/>book 5/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/397#issuecomment-2502166041"><img src="approved.png"/>book 6/20</a> | 
 | [Jaewoo Park](https://github.com/ohdair/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2394847882"><img src="approved.png"/>book 9/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2408289705"><img src="approved.png"/>book 10/20</a> | | | |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465968954"><img src="approved.png"/>book 11/20</a> | | |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465968954"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 12/20</a> | 
 | [Jeongan Lee](https://github.com/fkdl0048/) | | | | | | | | |  <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/391#issuecomment-2465968954"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 3/20</a> | 
 | [진태영](https://github.com/jintaeyeong) | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/386#issuecomment-2439192200"><img src="approved.png"/><img src="Starbucks_americano.JPG"/><img src="approved.png"/>book 4/20</a> |
 | [Park ChulHwan](https://github.com/Chul-Hwan) | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/382#issuecomment-2406926668"><img src="approved.png"/>book 1/20</a> |
-| [Byeongguk Ahn](https://github.com/nonoaa/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/380#issuecomment-2394850016"><img src="approved.png"/>book 5/20</a> |
 
 ### 2024 3Q, 07-06 (190th) ~ 09-28 (202th)