diff --git a/keyboards/ergodash/mini/keymaps/yoshimaru46/config.h b/keyboards/ergodash/mini/keymaps/yoshimaru46/config.h
new file mode 100644
index 0000000000..df04873a97
--- /dev/null
+++ b/keyboards/ergodash/mini/keymaps/yoshimaru46/config.h
@@ -0,0 +1,33 @@
+/*
+This is the c configuration file for the keymap
+
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+
+/* Use I2C or Serial, not both */
+
+#define USE_SERIAL
+// #define USE_I2C
+
+/* Select hand configuration */
+
+#define MASTER_LEFT
+// #define MASTER_RIGHT
+// #define EE_HANDS
diff --git a/keyboards/ergodash/mini/keymaps/yoshimaru46/keymap.c b/keyboards/ergodash/mini/keymaps/yoshimaru46/keymap.c
new file mode 100644
index 0000000000..98c56c8d16
--- /dev/null
+++ b/keyboards/ergodash/mini/keymaps/yoshimaru46/keymap.c
@@ -0,0 +1,111 @@
+/* Copyright 2021 Yoshihiro Saito
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ */
+
+#include QMK_KEYBOARD_H
+
+enum layers {
+ _QWERTY,
+ _LOWER,
+ _RAISE,
+ _ADJUST,
+};
+
+enum custom_keycodes {
+ QWERTY = SAFE_RANGE,
+ LOWER,
+ RAISE,
+ ADJUST,
+};
+
+// Shift + ( = <
+const key_override_t left_paren_angle_bracket_override = ko_make_basic(MOD_MASK_SHIFT, KC_LEFT_PAREN, KC_LEFT_ANGLE_BRACKET);
+
+// Shift + ) = >
+const key_override_t right_paren_angle_bracket_override = ko_make_basic(MOD_MASK_SHIFT, KC_RIGHT_PAREN, KC_RIGHT_ANGLE_BRACKET);
+
+const key_override_t **key_overrides = (const key_override_t *[]){
+ &left_paren_angle_bracket_override,
+ &right_paren_angle_bracket_override,
+ NULL
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ /* Qwerty */
+ [_QWERTY] = LAYOUT(
+ KC_GESC, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_LPRN, KC_RPRN, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSPC,
+ KC_TAB, KC_A, KC_S, KC_D, KC_F, KC_G, KC_LBRC, KC_RBRC, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_DEL,
+ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, XXXXXXX, XXXXXXX, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_QUOT,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_LGUI, LOWER, CTL_T(KC_SPC), KC_SFTENT, RAISE, KC_RGUI, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+ ),
+
+ /* Lower */
+ [_LOWER] = LAYOUT(
+ XXXXXXX, KC_EXLM, KC_AT, KC_HASH, KC_DLR, KC_PERC, KC_F11, KC_GRV, KC_CIRC, KC_AMPR, KC_ASTR, XXXXXXX, XXXXXXX, XXXXXXX,
+ XXXXXXX, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F12, KC_TILD, KC_BSLS, KC_MINS, KC_EQL, XXXXXXX, XXXXXXX, XXXXXXX,
+ XXXXXXX, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, XXXXXXX, XXXXXXX, KC_PIPE, KC_UNDS, KC_PLUS, XXXXXXX, XXXXXXX, XXXXXXX,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, _______, XXXXXXX, _______, _______, XXXXXXX, _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+ ),
+
+ /* Raise */
+ [_RAISE] = LAYOUT(
+ XXXXXXX, KC_P1, KC_P2, KC_P3, KC_P4, KC_P5, XXXXXXX, XXXXXXX, KC_P6, KC_P7, KC_P8, KC_P9, KC_P0, XXXXXXX,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_LEFT, KC_DOWN, KC_UP, KC_RGHT, XXXXXXX, XXXXXXX,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_MPRV, KC_VOLD, KC_VOLU, KC_MNXT, XXXXXXX, XXXXXXX,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, _______, XXXXXXX, _______, _______, XXXXXXX, _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+ ),
+
+ /* Adjust */
+ [_ADJUST] = LAYOUT(
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX ,XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX ,XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX ,XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, _______ ,_______, _______, _______, XXXXXXX, _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+ ),
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ switch (keycode) {
+ case LOWER:
+ if (record->event.pressed) {
+ layer_on(_LOWER);
+ update_tri_layer(_LOWER, _RAISE, _ADJUST);
+ } else {
+ layer_off(_LOWER);
+ update_tri_layer(_LOWER, _RAISE, _ADJUST);
+ }
+ return false;
+ break;
+ case RAISE:
+ if (record->event.pressed) {
+ layer_on(_RAISE);
+ update_tri_layer(_LOWER, _RAISE, _ADJUST);
+ } else {
+ layer_off(_RAISE);
+ update_tri_layer(_LOWER, _RAISE, _ADJUST);
+ }
+ return false;
+ break;
+ case ADJUST:
+ if (record->event.pressed) {
+ layer_on(_ADJUST);
+ } else {
+ layer_off(_ADJUST);
+ }
+ return false;
+ break;
+ }
+ return true;
+}
diff --git a/keyboards/ergodash/mini/keymaps/yoshimaru46/readme.md b/keyboards/ergodash/mini/keymaps/yoshimaru46/readme.md
new file mode 100644
index 0000000000..67a6ed9b90
--- /dev/null
+++ b/keyboards/ergodash/mini/keymaps/yoshimaru46/readme.md
@@ -0,0 +1,4 @@
+# yoshimaru46's keymap for Ergodash mini
+
+This is the yoshimaru46's keymap configuration for Ergodash mini.
+There are three layers, QWERTY(default), LOWER, and RAISE.
diff --git a/keyboards/ergodash/mini/keymaps/yoshimaru46/rules.mk b/keyboards/ergodash/mini/keymaps/yoshimaru46/rules.mk
new file mode 100644
index 0000000000..f85c6a4151
--- /dev/null
+++ b/keyboards/ergodash/mini/keymaps/yoshimaru46/rules.mk
@@ -0,0 +1,4 @@
+BACKLIGHT_ENABLE = no
+RGBLIGHT_ENABLE = no
+AUDIO_ENABLE = no
+KEY_OVERRIDE_ENABLE = yes