diff --git a/bin/resources/GameIndex.yaml b/bin/resources/GameIndex.yaml
index d24b57904d..1d5f202d22 100644
--- a/bin/resources/GameIndex.yaml
+++ b/bin/resources/GameIndex.yaml
@@ -13994,6 +13994,8 @@ SLES-50677:
   compat: 5
   clampModes:
     eeClampMode: 3 # Fixes invisible characters in various scenes.
+  gsHWFixes:
+    textureInsideRT: 2 # Fixes Post and transition effects.
 SLES-50679:
   name: "Tenchu 3 - Wrath of Heaven"
   region: "PAL-E"
@@ -14412,6 +14414,8 @@ SLES-50822:
   region: "PAL-M3"
   clampModes:
     eeClampMode: 3 # Fixes invisible characters in various scenes.
+  gsHWFixes:
+    textureInsideRT: 2 # Fixes Post and transition effects.
 SLES-50826:
   name: "Star Wars - Clone Wars"
   region: "PAL-E"
@@ -30607,6 +30611,8 @@ SLPM-60143:
 SLPM-60145:
   name: "Shadow Hearts"
   region: "NTSC-J"
+  gsHWFixes:
+    textureInsideRT: 2 # Fixes Post and transition effects.
 SLPM-60146:
   name: "Tetsu One - Densha de Battle!"
   region: "NTSC-J"
@@ -50068,6 +50074,8 @@ SLPS-25041:
   region: "NTSC-J"
   clampModes:
     eeClampMode: 3 # Fixes invisible characters in various scenes.
+  gsHWFixes:
+    textureInsideRT: 2 # Fixes Post and transition effects.
 SLPS-25042:
   name: 魔剣爻 -MAKEN SHAO-（初回限定版）
   name-sort: まけんしゃお -MAKEN SHAO-（しょかいげんていばん）
@@ -57555,6 +57563,8 @@ SLUS-20347:
   compat: 5
   clampModes:
     eeClampMode: 3 # Fixes invisible characters in various scenes.
+  gsHWFixes:
+    textureInsideRT: 2 # Fixes Post and transition effects.
   patches:
     default:
       content: |-