diff --git a/Assets/Scripts/CAFU/Core/Presentation/View/Controller.cs b/Assets/Scripts/CAFU/Core/Presentation/View/Controller.cs
index ee955cc..dee340a 100644
--- a/Assets/Scripts/CAFU/Core/Presentation/View/Controller.cs
+++ b/Assets/Scripts/CAFU/Core/Presentation/View/Controller.cs
@@ -1,5 +1,6 @@
 using CAFU.Core.Presentation.Presenter;
 using UniRx;
+using UnityEngine;
 
 // ReSharper disable VirtualMemberNeverOverridden.Global
 // ReSharper disable MemberCanBePrivate.Global
@@ -48,6 +49,7 @@ protected override void OnAwake() {
         protected override void OnDestroy() {
             base.OnDestroy();
             Instance = null;
+            Resources.UnloadUnusedAssets();
         }
 
     }
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..0645777
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,103 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@umm/unirx@^1.0.3":
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/@umm/unirx/-/unirx-1.0.3.tgz#72228afd507f64c8d960793ac3a723ceacee49ce"
+  dependencies:
+    glob "^7.1.2"
+    mkdirp "^0.5.1"
+    ncp "^2.0.0"
+    rimraf "^2.6.1"
+
+"@umm/unirx_observablelifecyclemonobehaviour@^1.0.2":
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/@umm/unirx_observablelifecyclemonobehaviour/-/unirx_observablelifecyclemonobehaviour-1.0.2.tgz#6be184b00d5bd755702b9457844b2460d6bfbf7e"
+  dependencies:
+    "@umm/unirx" "^1.0.3"
+    glob "^7.1.2"
+    mkdirp "^0.5.1"
+    ncp "^2.0.0"
+    rimraf "^2.6.1"
+
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+
+glob@^7.0.5, glob@^7.1.2:
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+
+minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimist@0.0.8:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+
+mkdirp@^0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  dependencies:
+    minimist "0.0.8"
+
+ncp@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ncp/-/ncp-2.0.0.tgz#195a21d6c46e361d2fb1281ba38b91e9df7bdbb3"
+
+once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  dependencies:
+    wrappy "1"
+
+path-is-absolute@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+
+rimraf@^2.6.1:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
+  dependencies:
+    glob "^7.0.5"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"