diff --git a/Dev/Cpp/renderer/EffekseerRendererImplemented.cpp b/Dev/Cpp/renderer/EffekseerRendererImplemented.cpp
index ea5274c..cdb6adb 100644
--- a/Dev/Cpp/renderer/EffekseerRendererImplemented.cpp
+++ b/Dev/Cpp/renderer/EffekseerRendererImplemented.cpp
@@ -242,7 +242,7 @@ void ModelRenderer::EndRendering(const efkModelNodeParam& parameter, void* userD
 		}
 		else
 		{
-			shader = m_renderer->GetShader(collector_.ShaderType);
+			shader = static_cast<Shader*>(m_renderer->GetImpl()->GetShader(collector_.ShaderType));
 		}
 
 		::EffekseerRenderer::RenderStateBase::State& state = m_renderer->GetRenderState()->Push();
@@ -407,13 +407,13 @@ bool RendererImplemented::Initialize(int32_t squareMaxCount)
 		}
 	}
 
-	unlitShader_ = std::unique_ptr<Shader>(new Shader(EffekseerRenderer::RendererShaderType::Unlit));
-	backDistortedShader_ = std::unique_ptr<Shader>(new Shader(EffekseerRenderer::RendererShaderType::BackDistortion));
-	litShader_ = std::unique_ptr<Shader>(new Shader(EffekseerRenderer::RendererShaderType::Lit));
+	GetImpl()->ShaderUnlit = std::unique_ptr<EffekseerRenderer::ShaderBase>(new Shader(EffekseerRenderer::RendererShaderType::Unlit));
+	GetImpl()->ShaderDistortion = std::unique_ptr<Shader>(new Shader(EffekseerRenderer::RendererShaderType::BackDistortion));
+	GetImpl()->ShaderLit = std::unique_ptr<Shader>(new Shader(EffekseerRenderer::RendererShaderType::Lit));
 
-	adUnlitShader_ = std::unique_ptr<Shader>(new Shader(EffekseerRenderer::RendererShaderType::AdvancedUnlit));
-	adBackDistortedShader_ = std::unique_ptr<Shader>(new Shader(EffekseerRenderer::RendererShaderType::AdvancedBackDistortion));
-	adLitShader_ = std::unique_ptr<Shader>(new Shader(EffekseerRenderer::RendererShaderType::AdvancedLit));
+	GetImpl()->ShaderAdUnlit = std::unique_ptr<Shader>(new Shader(EffekseerRenderer::RendererShaderType::AdvancedUnlit));
+	GetImpl()->ShaderAdDistortion = std::unique_ptr<Shader>(new Shader(EffekseerRenderer::RendererShaderType::AdvancedBackDistortion));
+	GetImpl()->ShaderAdLit = std::unique_ptr<Shader>(new Shader(EffekseerRenderer::RendererShaderType::AdvancedLit));
 
 	m_standardRenderer = new EffekseerRenderer::StandardRenderer<RendererImplemented, Shader>(this);
 	GetImpl()->isSoftParticleEnabled = true;
@@ -1030,37 +1030,6 @@ void RendererImplemented::DrawModel(Effekseer::ModelRef model,
 	renderParameters.push_back(rp);
 }
 
-Shader* RendererImplemented::GetShader(::EffekseerRenderer::RendererShaderType materialType) const
-{
-	if (materialType == ::EffekseerRenderer::RendererShaderType::BackDistortion)
-	{
-		return backDistortedShader_.get();
-	}
-	else if (materialType == ::EffekseerRenderer::RendererShaderType::Lit)
-	{
-		return litShader_.get();
-	}
-	else if (materialType == ::EffekseerRenderer::RendererShaderType::Unlit)
-	{
-		return unlitShader_.get();
-	}
-	if (materialType == ::EffekseerRenderer::RendererShaderType::AdvancedBackDistortion)
-	{
-		return adBackDistortedShader_.get();
-	}
-	else if (materialType == ::EffekseerRenderer::RendererShaderType::AdvancedLit)
-	{
-		return adLitShader_.get();
-	}
-	else if (materialType == ::EffekseerRenderer::RendererShaderType::AdvancedUnlit)
-	{
-		return adUnlitShader_.get();
-	}
-
-	// retuan as a default shader
-	return unlitShader_.get();
-}
-
 void RendererImplemented::BeginShader(Shader* shader) { m_currentShader = shader; }
 
 void RendererImplemented::RendererImplemented::EndShader(Shader* shader) {}
diff --git a/Dev/Cpp/renderer/EffekseerRendererImplemented.h b/Dev/Cpp/renderer/EffekseerRendererImplemented.h
index b51206d..72cab3c 100644
--- a/Dev/Cpp/renderer/EffekseerRendererImplemented.h
+++ b/Dev/Cpp/renderer/EffekseerRendererImplemented.h
@@ -234,13 +234,6 @@ class RendererImplemented : public ::EffekseerRenderer::Renderer, public ::Effek
 	Effekseer::Backend::GraphicsDeviceRef graphicsDevice_ = nullptr;
 	Effekseer::Backend::VertexBufferRef vertexBuffer_ = nullptr;
 
-	std::unique_ptr<Shader> unlitShader_;
-	std::unique_ptr<Shader> backDistortedShader_;
-	std::unique_ptr<Shader> litShader_;
-	std::unique_ptr<Shader> adUnlitShader_;
-	std::unique_ptr<Shader> adBackDistortedShader_;
-	std::unique_ptr<Shader> adLitShader_;
-
 	Shader* m_currentShader = nullptr;
 	RenderState* m_renderState = nullptr;
 
@@ -425,8 +418,6 @@ class RendererImplemented : public ::EffekseerRenderer::Renderer, public ::Effek
 				   std::vector<std::array<float, 4>>& customData1,
 				   std::vector<std::array<float, 4>>& customData2);
 
-	Shader* GetShader(::EffekseerRenderer::RendererShaderType materialType) const;
-
 	void BeginShader(Shader* shader);
 	void EndShader(Shader* shader);
 
diff --git a/Dev/Cpp/renderer/EffekseerRendererShader.h b/Dev/Cpp/renderer/EffekseerRendererShader.h
index 44df99e..f8bd7fb 100644
--- a/Dev/Cpp/renderer/EffekseerRendererShader.h
+++ b/Dev/Cpp/renderer/EffekseerRendererShader.h
@@ -7,7 +7,7 @@
 namespace EffekseerRendererUnity
 {
 
-class Shader final
+class Shader : public EffekseerRenderer::ShaderBase
 {
 private:
 	EffekseerRenderer::MaterialShaderParameterGenerator parameterGenerator_;
@@ -28,15 +28,18 @@ class Shader final
 
 	~Shader();
 
-	void* GetVertexConstantBuffer() { return vertexConstantBuffer.data(); }
+	virtual void SetVertexConstantBufferSize(int32_t size) override {}
+	virtual void SetPixelConstantBufferSize(int32_t size) override {}
 
-	void* GetPixelConstantBuffer() { return pixelConstantBuffer.data(); }
+	void* GetVertexConstantBuffer() override { return vertexConstantBuffer.data(); }
+
+	void* GetPixelConstantBuffer() override { return pixelConstantBuffer.data(); }
 
 	template <typename T> T* GetVertexConstantBuffer() { return reinterpret_cast<T*>(vertexConstantBuffer.data()); }
 
 	template <typename T> T* GettPixelConstantBuffer() { return reinterpret_cast<T*>(pixelConstantBuffer.data()); }
 
-	void SetConstantBuffer() {}
+	void SetConstantBuffer() override {}
 
 	EffekseerRenderer::RendererShaderType GetType() const;