diff --git a/config/rel_slices.yml b/config/rel_slices.yml
index 9f9b3f8c..150add1e 100644
--- a/config/rel_slices.yml
+++ b/config/rel_slices.yml
@@ -397,6 +397,10 @@ ef_room_sunshine_police.c:
     .text: [0x804CF784, 0x804CFF8C]
     .rodata: [0x80646420, 0x80646470]
     .data: [0x8069C050, 0x8069C078]
+ef_room_sunshine_posthouse.c:
+    .text: [0x804CFF8C, 0x804D0704]
+    .rodata: [0x80646470, 0x806464B8]
+    .data: [0x8069C078, 0x8069C0A0]
 m_huusui_room_ovl.c:
     .text: [0x804D1BBC, 0x804D2164]
     .rodata: [0x80646558, 0x806465C8]
diff --git a/include/ef_room_sunshine_posthouse.h b/include/ef_room_sunshine_posthouse.h
index e8a4080f..a27e2698 100644
--- a/include/ef_room_sunshine_posthouse.h
+++ b/include/ef_room_sunshine_posthouse.h
@@ -3,6 +3,7 @@
 
 #include "types.h"
 #include "m_actor.h"
+#include "ef_room_sunshine.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -10,6 +11,10 @@ extern "C" {
 
 extern ACTOR_PROFILE Room_Sunshine_Posthouse_Profile;
 
+typedef struct effect_room_sunshine_posthouse_s{
+    ROOMSUNSHINE_ACTOR ef_sunshine_class;
+}ROOMSUNSHINEPOSTHOUSE_ACTOR;    
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/m_actor.h b/include/m_actor.h
index 4fb5680f..fbb98959 100644
--- a/include/m_actor.h
+++ b/include/m_actor.h
@@ -41,6 +41,7 @@ typedef void (*mActor_proc)(ACTOR*, GAME*);
 #define ACTOR_OBJ_BANK_12 12
 #define ACTOR_OBJ_BANK_16 16
 #define ACTOR_OBJ_BANK_41 41
+#define ACTOR_OBJ_BANK_43 43
 #define ACTOR_OBJ_BANK_44 44
 #define ACTOR_OBJ_BANK_53 53
 
diff --git a/rel/ef_room_sunshine_posthouse.c b/rel/ef_room_sunshine_posthouse.c
new file mode 100644
index 00000000..6db54136
--- /dev/null
+++ b/rel/ef_room_sunshine_posthouse.c
@@ -0,0 +1,208 @@
+#include "ef_room_sunshine_posthouse.h"
+
+#include "m_common_data.h"
+#include "m_name_table.h"
+#include "m_debug.h"
+#include "m_collision_bg.h"
+#include "sys_matrix.h"
+
+
+void Ef_Room_Sunshine_Posthouse_actor_ct(ACTOR* actor, GAME* play);
+void Ef_Room_Sunshine_Posthouse_actor_dt(ACTOR* actor, GAME* play);
+void Ef_Room_Sunshine_PosthouseL_actor_draw(ACTOR* actor, GAME* play);
+void Ef_Room_Sunshine_PosthouseL_actor_move(ACTOR* actor, GAME* play);
+void Ef_Room_Sunshine_PosthouseR_actor_draw(ACTOR* actor, GAME* play);
+void Ef_Room_Sunshine_PosthouseR_actor_move(ACTOR* actor, GAME* play);
+
+
+extern Gfx obj_yubinkyoku_shine_modelT[];
+
+ACTOR_PROFILE Room_Sunshine_Posthouse_Profile = {
+    mAc_PROFILE_ROOM_SUNSHINE_POSTHOUSE,
+    ACTOR_PART_EFFECT,
+    ACTOR_STATE_NO_MOVE_WHILE_CULLED | ACTOR_STATE_NO_DRAW_WHILE_CULLED,
+    EMPTY_NO,
+    ACTOR_OBJ_BANK_43,
+    sizeof(ROOMSUNSHINEPOSTHOUSE_ACTOR),
+    Ef_Room_Sunshine_Posthouse_actor_ct,
+    NONE_ACTOR_PROC,
+    Ef_Room_Sunshine_PosthouseR_actor_move,
+    Ef_Room_Sunshine_PosthouseR_actor_draw,
+    NULL,
+};
+
+void Ef_Room_Sunshine_Posthouse_actor_ct(ACTOR* actor, GAME* game){
+    ROOMSUNSHINEPOSTHOUSE_ACTOR* posthouse = (ROOMSUNSHINEPOSTHOUSE_ACTOR*)actor;
+    xyz_t pos;
+    xyz_t pos2; 
+    xyz_t pos3;
+    
+    posthouse->ef_sunshine_class.unk_174 = 0;
+
+    if(posthouse->ef_sunshine_class.actor_class.actor_specific == 0){
+        posthouse->ef_sunshine_class.actor_class.mv_proc = Ef_Room_Sunshine_PosthouseL_actor_move;
+        posthouse->ef_sunshine_class.actor_class.dw_proc = Ef_Room_Sunshine_PosthouseL_actor_draw;
+    }
+    else{
+        posthouse->ef_sunshine_class.actor_class.world.position.x -= 1.0f;
+    }
+
+    pos = posthouse->ef_sunshine_class.actor_class.world.position;
+    
+    posthouse->ef_sunshine_class.actor_class.world.position.y = mCoBG_GetBgY_OnlyCenter_FromWpos(0.0f, &pos);
+
+    posthouse->ef_sunshine_class.actor_class.scale.x = 0.05f;
+    posthouse->ef_sunshine_class.actor_class.scale.y = 0.05f;
+    posthouse->ef_sunshine_class.actor_class.scale.z = 0.05f;
+
+    switch(posthouse->ef_sunshine_class.actor_class.actor_specific){
+
+        case 2:
+            
+            posthouse->ef_sunshine_class.actor_class.mv_proc = Ef_Room_Sunshine_PosthouseL_actor_move;
+            posthouse->ef_sunshine_class.actor_class.dw_proc = Ef_Room_Sunshine_PosthouseL_actor_draw;
+            posthouse->ef_sunshine_class.actor_class.world.position.x += 5.0f;
+            pos2 = posthouse->ef_sunshine_class.actor_class.world.position;
+            posthouse->ef_sunshine_class.actor_class.world.position.y = 1.0f + mCoBG_GetBgY_OnlyCenter_FromWpos(0.0f, &pos2);
+            posthouse->ef_sunshine_class.actor_class.world.position.x -= 6.0f;
+        break;
+
+        case 3:
+            posthouse->ef_sunshine_class.actor_class.world.position.x -= 5.0f;
+            pos3 = posthouse->ef_sunshine_class.actor_class.world.position;
+            posthouse->ef_sunshine_class.actor_class.world.position.y = 1.0f + mCoBG_GetBgY_OnlyCenter_FromWpos(0.0f, &pos3);
+            posthouse->ef_sunshine_class.actor_class.world.position.x += 6.0f;
+        break;
+    }
+}
+
+f32 calc_scale_Ef_Room_Sunshine_Posthouse(int flag, int sec){
+    
+    if(flag == 0){
+        return 0.05f * (1.5f * sin_s((sec << 14) / 28800.0f));
+    }
+    else{
+        return 0.05f * (1.5f * sin_s((sec << 14) / 14400.0f));
+    }
+}
+
+int calc_alpha_Ef_Room_SunshinePosthouse(){
+    f32 ret;
+    int sec;
+ 
+    if(Common_Get(time.now_sec) < 14400){
+        ret = 120.0f * ((14400 - Common_Get(time.now_sec)) / 14400.0f);     
+    }
+    else if(Common_Get(time.now_sec) < 72000){
+        //any other number matches codegen, but 43200 breaks
+        sec = (Common_Get(time.now_sec) - 43200) >= 0 ? 
+            (Common_Get(time.now_sec) - 43200U) : -(Common_Get(time.now_sec) - 43200U);
+
+        ret = 255.0f * ((28800 - sec) / 28800.0f);
+    }
+    else{
+        ret = 120.0f  * ((14400 - (86400 - Common_Get(time.now_sec))) / 14400.0f);
+    }
+
+    if((Common_Get(weather) == 1) || (Common_Get(weather) == 2)){
+        ret *= 0.6f;
+    }
+    
+    return (u8)ret;
+}
+
+void Ef_Room_Sunshine_PosthouseL_actor_move(ACTOR* actor, GAME* game){
+    ROOMSUNSHINEPOSTHOUSE_ACTOR* posthouse = (ROOMSUNSHINEPOSTHOUSE_ACTOR*)actor;
+    
+    if(Common_Get(time.now_sec) < 14400){
+        posthouse->ef_sunshine_class.actor_class.scale.x = calc_scale_Ef_Room_Sunshine_Posthouse(1, Common_Get(time.now_sec));
+    }
+    else if ((Common_Get(time.now_sec) >= 43200) && (Common_Get(time.now_sec) < 72000)){
+        posthouse->ef_sunshine_class.actor_class.scale.x = calc_scale_Ef_Room_Sunshine_Posthouse(0, Common_Get(time.now_sec) - 43200);
+    }
+    else{
+    posthouse->ef_sunshine_class.actor_class.scale.x = 0.0f;
+    }
+}
+
+void Ef_Room_Sunshine_PosthouseR_actor_move(ACTOR* actor, GAME* game){
+    ROOMSUNSHINEPOSTHOUSE_ACTOR* posthouse = (ROOMSUNSHINEPOSTHOUSE_ACTOR*)actor;
+    
+    if((Common_Get(time.now_sec) >= 14400) && (Common_Get(time.now_sec) < 43200)){
+        posthouse->ef_sunshine_class.actor_class.scale.x = -calc_scale_Ef_Room_Sunshine_Posthouse(0, 43200 - Common_Get(time.now_sec));
+    }
+    else if (Common_Get(time.now_sec) >= 72000){
+        posthouse->ef_sunshine_class.actor_class.scale.x = -calc_scale_Ef_Room_Sunshine_Posthouse(1, 86400 -Common_Get(time.now_sec));
+    }
+    else{
+    posthouse->ef_sunshine_class.actor_class.scale.x = 0.0f;
+    }
+}
+
+void setup_mode_Ef_Room_Sunshine_Posthouse(ACTOR* actor, GAME_PLAY* play){
+    ROOMSUNSHINE_ACTOR* sunshine = (ROOMSUNSHINE_ACTOR*)actor;
+    u8* color;
+    int calc;
+
+    GRAPH* graph = play->game.graph;
+
+    OPEN_DISP(graph);
+
+    Matrix_translate(sunshine->actor_class.world.position.x, sunshine->actor_class.world.position.y, 
+        sunshine->actor_class.world.position.z, 0);
+    Matrix_scale(sunshine->actor_class.scale.x, sunshine->actor_class.scale.y, sunshine->actor_class.scale.z,1);
+
+    gDPPipeSync(NEXT_POLY_XLU_DISP);
+
+    gSPMatrix(NEXT_POLY_XLU_DISP, _Matrix_to_Mtx_new(play->game.graph), G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
+
+    if((Common_Get(time.now_sec) >= 14400) && (Common_Get(time.now_sec) < 72000)){
+         color =play->kankyo.base_light.sun_color_window;
+    }
+    else{
+        color =play->kankyo.base_light.moon_color_window;
+    }
+
+    calc = ((u8)calc_alpha_Ef_Room_SunshinePosthouse() * mKK_windowlight_alpha_get());
+ 
+    gDPSetPrimColor(NEXT_POLY_XLU_DISP, 0, calc, color[0], color[1], color[2], 255);
+    CLOSE_DISP(graph);
+    
+}
+
+void Ef_Room_Sunshine_PosthouseL_actor_draw(ACTOR* actor, GAME* game){
+    GRAPH* graph;
+    GAME_PLAY* play = (GAME_PLAY*)game;
+
+    if((mKK_windowlight_alpha_get() < 9.99999974738e-05f) || (actor->scale.x == 0.0f)){
+        return; 
+    }
+        graph = play->game.graph;
+        setup_mode_Ef_Room_Sunshine_Posthouse(actor, play);
+        
+        OPEN_DISP(graph);
+        
+        gSPDisplayList(NEXT_POLY_XLU_DISP, obj_yubinkyoku_shine_modelT);
+        
+        CLOSE_DISP(graph);
+
+}
+
+void Ef_Room_Sunshine_PosthouseR_actor_draw(ACTOR* actor, GAME* game){
+    GRAPH* graph;
+    GAME_PLAY* play = (GAME_PLAY*)game;
+
+    if((mKK_windowlight_alpha_get() < 9.99999974738e-05f) || (actor->scale.x == 0.0f)){
+        return; 
+    }
+    
+        graph = play->game.graph;
+        setup_mode_Ef_Room_Sunshine_Posthouse(actor, play);
+        
+        OPEN_DISP(graph);
+        
+        gSPDisplayList(NEXT_POLY_XLU_DISP, obj_yubinkyoku_shine_modelT);
+        
+        CLOSE_DISP(graph);
+        
+}
\ No newline at end of file