diff --git a/configure.py b/configure.py
index 67bf3dbc..a1f44f7a 100644
--- a/configure.py
+++ b/configure.py
@@ -1351,7 +1351,7 @@ config.libs = [
             Object(NonMatching, "effect/ef_turn_footprint.c"),
             Object(NonMatching, "effect/ef_uranai.c"),
             Object(NonMatching, "effect/ef_wait_asimoto.c"),
-            Object(NonMatching, "effect/ef_walk_asimoto.c"),
+            Object(Matching, "effect/ef_walk_asimoto.c"),
             Object(NonMatching, "effect/ef_warau.c"),
             Object(NonMatching, "effect/ef_yajirushi.c"),
             Object(Matching, "effect/ef_young_tree.c"),
diff --git a/src/effect/ef_walk_asimoto.c b/src/effect/ef_walk_asimoto.c
index b343a12d..039b3a2d 100644
--- a/src/effect/ef_walk_asimoto.c
+++ b/src/effect/ef_walk_asimoto.c
@@ -1,5 +1,7 @@
 #include "ef_effect_control.h"
 
+#include "m_common_data.h"
+
 static void eWalk_Asimoto_init(xyz_t pos, int prio, s16 angle, GAME* game, u16 item_name, s16 arg0, s16 arg1);
 static void eWalk_Asimoto_ct(eEC_Effect_c* effect, GAME* game, void* ct_arg);
 static void eWalk_Asimoto_mv(eEC_Effect_c* effect, GAME* game);
@@ -17,18 +19,103 @@ eEC_PROFILE_c iam_ef_walk_asimoto = {
     // clang-format on
 };
 
+static xyz_t eWalkAsimoto_GetMakeOffset(xyz_t pos, s16 angle_y) {
+    xyz_t base_ofs = { 0.0f, 0.0f, 10.0f };
+
+    sMath_RotateY(&base_ofs, SHORT2RAD_ANGLE2(angle_y));
+    pos.x += base_ofs.x;
+    pos.y += base_ofs.y;
+    pos.z += base_ofs.z;
+    return pos;
+}
+
+static void eWalkAsimoto_RainDay(xyz_t pos, int prio, s16 angle_y, GAME* game, u16 name, s16 arg0, s16 arg1) {
+    xyz_t make_pos = eWalkAsimoto_GetMakeOffset(pos, angle_y);
+    int count;
+
+    switch (arg0) {
+        case 9:
+            count = 1;
+            do {
+                eEC_CLIP->effect_make_proc(eEC_EFFECT_BUSH_HAPPA, make_pos, prio, angle_y, game, name, arg0, arg1);
+            } while (count-- != 0);
+            break;
+    }
+}
+
+static void eWalkAsimoto_FineDay(xyz_t pos, int prio, s16 angle_y, GAME* game, u16 name, s16 arg0, s16 arg1) {
+    xyz_t make_pos = eWalkAsimoto_GetMakeOffset(pos, angle_y);
+    u32 season = Common_Get(time.season);
+    int happa_count;
+    int yuki_count;
+
+    switch (season) {
+        case mTM_SEASON_WINTER:
+            switch (arg0) {
+                case 9:
+                    happa_count = 1;
+                    do {
+                        eEC_CLIP->effect_make_proc(eEC_EFFECT_BUSH_HAPPA, make_pos, prio, angle_y, game, name, arg0, arg1);
+                    } while (happa_count-- != 0);
+
+                    yuki_count = 1;
+                    do {
+                        eEC_CLIP->effect_make_proc(eEC_EFFECT_BUSH_YUKI, make_pos, prio, angle_y, game, name, arg0, 0);
+                    } while (yuki_count-- != 0);
+                    break;
+                case 1:
+                case 2:
+                    break;
+            }
+            break;
+        case mTM_SEASON_SPRING:
+        case mTM_SEASON_SUMMER:
+        case mTM_SEASON_AUTUMN:
+            switch (arg0) {
+                case 9:
+                    happa_count = 1;
+                    do {
+                        eEC_CLIP->effect_make_proc(eEC_EFFECT_BUSH_HAPPA, make_pos, prio, angle_y, game, name, arg0, arg1);
+                    } while (happa_count-- != 0);
+                    break;
+            }
+            break;
+    }
+}
+
+typedef void (*eWalkAsimoto_INIT_PROC)(xyz_t pos, int prio, s16 angle_y, GAME* game, u16 name, s16 arg0, s16 arg1);
+
 static void eWalk_Asimoto_init(xyz_t pos, int prio, s16 angle, GAME* game, u16 item_name, s16 arg0, s16 arg1) {
-    // TODO
+    if (eEC_CLIP != NULL) {
+        static eWalkAsimoto_INIT_PROC asimoto_func_table[] = {
+            // clang-format off
+            eWalkAsimoto_FineDay,
+            eWalkAsimoto_RainDay,
+            eWalkAsimoto_FineDay,
+            eWalkAsimoto_FineDay,
+            // @BUG - the step effect process func for 'leaves' weather is omitted
+            // this bug causes ef_warau::eWU_init to be called, spawning the laughing effect instead
+            #ifdef BUGFIXES
+            eWalkAsimoto_FineDay,
+            #endif
+            // clang-format on
+        };
+        s16 weather = mEnv_NowWeather();
+
+        (*asimoto_func_table[weather])(pos, prio, angle, game, item_name, arg0, arg1);
+    }
+
+    eEC_CLIP->make_effect_proc(eEC_EFFECT_WALK_ASIMOTO, pos, NULL, game, NULL, item_name, prio, 0, 0);
 }
 
 static void eWalk_Asimoto_ct(eEC_Effect_c* effect, GAME* game, void* ct_arg) {
-    // TODO
+    effect->timer = 0;
 }
 
 static void eWalk_Asimoto_mv(eEC_Effect_c* effect, GAME* game) {
-    // TODO
+    // nothing
 }
 
 static void eWalk_Asimoto_dw(eEC_Effect_c* effect, GAME* game) {
-    // TODO
+    // nothing
 }