diff --git a/docs/recommended_todo.md b/docs/recommended_todo.md
index 585ebe3d6..11b514d20 100644
--- a/docs/recommended_todo.md
+++ b/docs/recommended_todo.md
@@ -136,8 +136,8 @@
 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/ElecBugState.cpp">ElecBugState.cpp</a> | 15715 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/RandMapMgr.cpp">RandMapMgr.cpp</a> | 17083 |
 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/TadpoleState.cpp">TadpoleState.cpp</a> | 17490 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/SnakeWholeShadow.cpp">SnakeWholeShadow.cpp</a> | 19376 |
 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/SnakeCrowShadow.cpp">SnakeCrowShadow.cpp</a> | 19385 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/ImomushiState.cpp">ImomushiState.cpp</a> | 19876 |
-| <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/UjiaState.cpp">UjiaState.cpp</a> | 20924 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/Rock.cpp">Rock.cpp</a> | 21671 |
-| <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/ElecHiba.cpp">ElecHiba.cpp</a> | 21834 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/Frog.cpp">Frog.cpp</a> | 22143 |
+| <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/UjiaState.cpp">UjiaState.cpp</a> | 20924 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/Frog.cpp">Frog.cpp</a> | 21026 |
+| <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/Rock.cpp">Rock.cpp</a> | 21671 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/ElecHiba.cpp">ElecHiba.cpp</a> | 21834 |
 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/QueenState.cpp">QueenState.cpp</a> | 22713 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/Ujia.cpp">Ujia.cpp</a> | 22960 |
 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/Ujib.cpp">Ujib.cpp</a> | 23596 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/Queen.cpp">Queen.cpp</a> | 23624 |
 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/ElecBug.cpp">ElecBug.cpp</a> | 24345 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/plugProjectNishimuraU/ArmorState.cpp">ArmorState.cpp</a> | 24714 |
diff --git a/src/plugProjectNishimuraU/Frog.cpp b/src/plugProjectNishimuraU/Frog.cpp
index df49a582b..daeb36937 100644
--- a/src/plugProjectNishimuraU/Frog.cpp
+++ b/src/plugProjectNishimuraU/Frog.cpp
@@ -380,79 +380,23 @@ void Obj::getShadowParam(ShadowParam&)
  * Address:	80258B84
  * Size:	000104
  */
-void Obj::collisionCallback(CollEvent&)
+void Obj::collisionCallback(CollEvent& event)
 {
-	/*
-	stwu     r1, -0x30(r1)
-	mflr     r0
-	stw      r0, 0x34(r1)
-	stw      r31, 0x2c(r1)
-	stw      r30, 0x28(r1)
-	mr       r30, r4
-	stw      r29, 0x24(r1)
-	mr       r29, r3
-	lwz      r31, 0(r4)
-	cmplwi   r31, 0
-	beq      lbl_80258C54
-	lwz      r0, 0x1e0(r29)
-	rlwinm.  r0, r0, 0, 0x16, 0x16
-	bne      lbl_80258C54
-	lbz      r0, 0x2d9(r29)
-	cmplwi   r0, 0
-	beq      lbl_80258C54
-	lwz      r0, 0xc8(r31)
-	cmplwi   r0, 0
-	beq      lbl_80258C54
-	mr       r3, r31
-	lwz      r12, 0(r31)
-	lwz      r12, 0x1c(r12)
-	mtctr    r12
-	bctrl
-	clrlwi.  r0, r3, 0x18
-	bne      lbl_80258C0C
-	mr       r3, r31
-	lwz      r12, 0(r31)
-	lwz      r12, 0x18(r12)
-	mtctr    r12
-	bctrl
-	clrlwi.  r0, r3, 0x18
-	beq      lbl_80258C54
-
-lbl_80258C0C:
-	lwz      r5, 0xc0(r29)
-	lis      r4, __vt__Q24Game11Interaction@ha
-	lis      r3, __vt__Q24Game13InteractPress@ha
-	li       r0, 0
-	lfs      f0, 0x604(r5)
-	addi     r5, r4, __vt__Q24Game11Interaction@l
-	addi     r3, r3, __vt__Q24Game13InteractPress@l
-	addi     r4, r1, 8
-	stw      r5, 8(r1)
-	stw      r29, 0xc(r1)
-	stw      r3, 8(r1)
-	stfs     f0, 0x10(r1)
-	stw      r0, 0x14(r1)
-	lwz      r3, 0(r30)
-	lwz      r12, 0(r3)
-	lwz      r12, 0x1a4(r12)
-	mtctr    r12
-	bctrl
+	if (Creature* creature = event.mCollidingCreature) {
+		if (!isEvent(0, EB_Bittered)) {
+
+			if (mIsFalling) {
+				if (creature->mBounceTriangle) {
+					if (creature->isNavi() || creature->isPiki()) {
+						InteractPress press(this, C_PARMS->mGeneral.mAttackDamage.mValue, nullptr);
+						event.mCollidingCreature->stimulate(press);
+					}
+				}
+			}
+		}
+	}
 
-lbl_80258C54:
-	mr       r3, r29
-	mr       r4, r30
-	lwz      r12, 0(r29)
-	lwz      r12, 0x240(r12)
-	mtctr    r12
-	bctrl
-	lwz      r0, 0x34(r1)
-	lwz      r31, 0x2c(r1)
-	lwz      r30, 0x28(r1)
-	lwz      r29, 0x24(r1)
-	mtlr     r0
-	addi     r1, r1, 0x30
-	blr
-	*/
+	setCollEvent(event);
 }
 
 /*