diff --git a/Stamp/README.md b/Stamp/README.md
index 6fbde99..5b63e0f 100644
--- a/Stamp/README.md
+++ b/Stamp/README.md
@@ -26,11 +26,12 @@
| 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/) | | | | | | | | | | | | |
-| [hyuncho](https://github.com/aquamagic9/) | book 8/20 | book 9/20 | book 10/20 | | book 11/20 | book 12/20 | book 13/20 | book 14/20 | book 15/20 | book 16/20 | | book 17/20 |
+| [Kim Jong Feel](https://github.com/jongfeel/) | | | | | | | | | | | | | |
+| [hyuncho](https://github.com/aquamagic9/) | book 8/20 | book 9/20 | book 10/20 | | book 11/20 | book 12/20 | book 13/20 | book 14/20 | book 15/20 | book 16/20 | | book 17/20 | book 18/20 |
+| [김지수](https://github.com/tttghost/) | | | | | | | | | | | | book 1/20 | book 2/20 |
+| [최지윤](https://github.com/chichoon) | book 10/20 | book 11/20 | book 12/20 | | | | book 13/20 | book 14/20 | | book 15/20 | book 16/20 | | book 17/20 |
+| [junmokang](https://github.com/moaoh/) | | | | | | | | | | | | | book 1/20 |
| [Byeongguk Ahn](https://github.com/nonoaa/) | book 5/20 | | | | | | | | | | | book 6/20 |
-| [김지수](https://github.com/tttghost/) | | | | | | | | | | | | book 1/20 |
-| [최지윤](https://github.com/chichoon) | book 10/20 | book 11/20 | book 12/20 | | | | book 13/20 | book 14/20 | | book 15/20 | book 16/20 |
| [Yeshin Lee](https://github.com/yeslee-v/) | book 20/20 | book 1/20 | | book 2/20 | | book 3/20 | book 4/20 | book 5/20 | book 6/20 |
| [Jaewoo Park](https://github.com/ohdair/) | book 9/20 | book 10/20 | | | | book 11/20 | | | book 12/20 |
| [Jeongan Lee](https://github.com/fkdl0048/) | | | | | | | | | book 3/20 |