diff --git a/Re-Abyss/app/views/Shader/BossArrival/BossArrivalShader.cpp b/Re-Abyss/app/views/Shader/BossArrival/BossArrivalShader.cpp
index c5bc17c9..5f9d9360 100644
--- a/Re-Abyss/app/views/Shader/BossArrival/BossArrivalShader.cpp
+++ b/Re-Abyss/app/views/Shader/BossArrival/BossArrivalShader.cpp
@@ -21,6 +21,10 @@ namespace abyss
         {
             m_cb->pos = static_cast<Float2>(pos);
         }
+        s3d::Vec2 getPos() const
+        {
+            return static_cast<s3d::Vec2>(m_cb->pos);
+        }
         void setTime(double time)
         {
             m_cb->timer = static_cast<float>(time);
@@ -56,4 +60,8 @@ namespace abyss
     {
         return m_pImpl->start();
     }
+    s3d::Vec2 BossArrivalShader::getPos() const
+    {
+        return m_pImpl->getPos();
+    }
 }
diff --git a/Re-Abyss/app/views/Shader/BossArrival/BossArrivalShader.hpp b/Re-Abyss/app/views/Shader/BossArrival/BossArrivalShader.hpp
index 5b599e31..d7f67310 100644
--- a/Re-Abyss/app/views/Shader/BossArrival/BossArrivalShader.hpp
+++ b/Re-Abyss/app/views/Shader/BossArrival/BossArrivalShader.hpp
@@ -18,6 +18,8 @@ namespace abyss
         const BossArrivalShader& setPos(const s3d::Vec2& pos) const;
         const BossArrivalShader& setTime(double time) const;
         s3d::ScopedCustomShader2D start() const;
+
+        s3d::Vec2 getPos() const;
     private:
         std::unique_ptr<Impl> m_pImpl;
     };