diff --git a/config/rel_slices.yml b/config/rel_slices.yml
index 237704cd..b66c851c 100644
--- a/config/rel_slices.yml
+++ b/config/rel_slices.yml
@@ -741,6 +741,9 @@ ac_tukimi.c:
     .text: [0x805C0CC8, 0x805C11A8]
     .rodata: [0x8064ADB0, 0x8064ADC0]
     .data: [0x806C7388, 0x806C7400]
+ac_windmill.c:
+    .text: [0x805C1AB8, 0x805C1D34]
+    .data: [0x806C75D0, 0x806C76B8]
 ac_yatai.c:
     .text: [0x805C1D34, 0x805C217C]
     .rodata: [0x8064ADC0, 0x8064ADC8]
diff --git a/include/m_name_table.h b/include/m_name_table.h
index a6dfed79..3ff6b712 100644
--- a/include/m_name_table.h
+++ b/include/m_name_table.h
@@ -2702,6 +2702,7 @@ extern int mNT_check_unknown(mActor_name_t item_no);
 #define DUMMY_MIKUJI 0xF10D
 #define DUMMY_TAMA 0xF110
 #define DUMMY_KOINOBORI 0xF114
+#define DUMMY_WINDMILL 0xF116
 #define DUMMY_LOTUS 0xF11B
 #define DUMMY_DOUZOU 0xF11D
 #define DUMMY_NAMEPLATE 0xF11F
diff --git a/src/ac_windmill.c b/src/ac_windmill.c
new file mode 100644
index 00000000..7eaefad1
--- /dev/null
+++ b/src/ac_windmill.c
@@ -0,0 +1,41 @@
+#include "ac_windmill.h"
+
+#include "m_name_table.h"
+#include "sys_matrix.h"
+#include "m_lib.h"
+#include "m_rcp.h"
+#include "m_common_data.h"
+#include "m_player_lib.h"
+
+static void aWIN_actor_dt(ACTOR* actor, GAME* game);
+static void aWIN_actor_init(ACTOR* actor, GAME* game);
+static void aWIN_actor_draw(ACTOR* actor, GAME* game);
+
+ACTOR_PROFILE Windmill_Profile = {
+    mAc_PROFILE_WINDMILL,
+    ACTOR_PART_ITEM,
+    ACTOR_STATE_NONE,
+    WINDMILL0,
+    ACTOR_OBJ_BANK_KEEP,
+    sizeof(STRUCTURE_ACTOR),
+    NONE_ACTOR_PROC,
+    &aWIN_actor_dt,
+    &aWIN_actor_init,
+    &aWIN_actor_draw,
+    NULL
+};
+
+u8 aWIN_shadow_vtx_fix_flg_table[] = { TRUE, FALSE, FALSE, TRUE, FALSE, TRUE, FALSE, TRUE };
+
+static void aWIN_set_bgOffset(STRUCTURE_ACTOR* yatai, int idx);
+
+static void aWIN_actor_dt(ACTOR* actor, GAME* game) {
+    STRUCTURE_ACTOR* windmill = (STRUCTURE_ACTOR*)actor;
+
+    aWIN_set_bgOffset(windmill, 0);
+    cKF_SkeletonInfo_R_dt(&windmill->keyframe);
+}
+
+#include "../src/ac_windmill_move.c_inc"
+
+#include "../src/ac_windmill_draw.c_inc"
diff --git a/src/ac_windmill_draw.c_inc b/src/ac_windmill_draw.c_inc
new file mode 100644
index 00000000..0899ee1a
--- /dev/null
+++ b/src/ac_windmill_draw.c_inc
@@ -0,0 +1,2 @@
+static void aWIN_actor_draw(ACTOR* actor, GAME* game) {
+}
diff --git a/src/ac_windmill_move.c_inc b/src/ac_windmill_move.c_inc
new file mode 100644
index 00000000..1caf1f98
--- /dev/null
+++ b/src/ac_windmill_move.c_inc
@@ -0,0 +1,56 @@
+static void aWIN_set_bgOffset(STRUCTURE_ACTOR* windmill, int idx) {
+    static mCoBG_OffsetTable_c height_table_ct[9] = {
+        { 0x64, 12, 0, 12, 12, 12, 1 },  { 0x64, 12, 12, 12, 12, 12, 0 }, { 0x64, 12, 12, 12, 12, 0, 1 },
+        { 0x64, 12, 12, 12, 12, 12, 0 }, { 0x64, 12, 12, 12, 12, 12, 0 }, { 0x64, 12, 12, 12, 12, 12, 0 },
+        { 0x64, 12, 12, 0, 12, 12, 1 },  { 0x64, 12, 12, 12, 12, 12, 0 }, { 0x64, 12, 12, 12, 0, 12, 1 }
+      };
+
+    static mCoBG_OffsetTable_c height_table_dt[9] = {
+        { 0x64, 0, 0, 0, 0, 0, 0 }, { 0x64, 0, 0, 0, 0, 0, 0 }, { 0x64, 0, 0, 0, 0, 0, 0 },
+        { 0x64, 0, 0, 0, 0, 0, 0 }, { 0x64, 0, 0, 0, 0, 0, 0 }, { 0x64, 0, 0, 0, 0, 0, 0 },
+        { 0x64, 0, 0, 0, 0, 0, 0 }, { 0x64, 0, 0, 0, 0, 0, 0 }, { 0x64, 0, 0, 0, 0, 0, 0 }
+    };
+
+    static mCoBG_OffsetTable_c* height_table[2] = { height_table_dt, height_table_ct };
+
+    static f32 addX[3] = { -40.0f, 0.0f, 40.0f };
+    static f32 addZ[3] = { -40.0f, 0.0f, 40.0f };
+
+    mCoBG_OffsetTable_c* offset;
+    int i;
+    xyz_t pos;
+
+    offset = height_table[idx];
+    for (i = 0; i < 3; i++) {
+        pos.z = windmill->actor_class.home.position.z + addZ[i];
+
+        pos.x = windmill->actor_class.home.position.x + addX[0];
+        mCoBG_SetPluss5PointOffset_file(pos, offset[0], __FILE__, 109);
+
+        pos.x = windmill->actor_class.home.position.x + addX[1];
+        mCoBG_SetPluss5PointOffset_file(pos, offset[1], __FILE__, 113);
+
+        pos.x = windmill->actor_class.home.position.x + addX[2];
+        mCoBG_SetPluss5PointOffset_file(pos, offset[2], __FILE__, 117);
+
+        offset += 3;
+    }
+}
+
+static void aWIN_actor_move(ACTOR* actor, GAME* game) {
+    STRUCTURE_ACTOR* windmill = (STRUCTURE_ACTOR*)actor;
+    windmill->keyframe_state = cKF_SkeletonInfo_R_play(&windmill->keyframe);
+    (*windmill->action_proc)(windmill, (GAME_PLAY*)game);
+}
+
+static void aWIN_actor_init(ACTOR* actor, GAME* game) {
+    STRUCTURE_ACTOR* windmill;
+    mActor_name_t windmill_actor_name;
+
+    windmill = (STRUCTURE_ACTOR*)actor;
+    windmill_actor_name = windmill->arg0 + DUMMY_WINDMILL;
+
+    mFI_SetFG_common(windmill_actor_name, actor->home.position, FALSE);
+    aWIN_actor_move(actor, game);
+    windmill->actor_class.mv_proc = aWIN_actor_move;
+}