diff --git a/keyboards/crkbd/keymaps/sajenim/keymap.c b/keyboards/crkbd/keymaps/sajenim/keymap.c
index 870234b..28e9f67 100644
--- a/keyboards/crkbd/keymaps/sajenim/keymap.c
+++ b/keyboards/crkbd/keymaps/sajenim/keymap.c
@@ -86,7 +86,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
   [L_ADJUST] = LAYOUT_split_3x6_3(
   //,-----------------------------------------------------.                    ,-----------------------------------------------------.
-      QK_BOOT, xQWERTY, xCANARY, XXXXXXX, XXXXXXX, AS_TOGG,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,  KC_PWR,
+      QK_BOOT, xQWERTY, xCANARY, XXXXXXX, XXXXXXX, AS_TOGG,                      SC_TOGG, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,  KC_PWR,
   //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
       RGB_TOG, RGB_HUI, RGB_SAI, RGB_VAI, XXXXXXX, AC_TOGG,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_SLEP,
   //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
diff --git a/keyboards/crkbd/keymaps/sajenim/process_record.c b/keyboards/crkbd/keymaps/sajenim/process_record.c
index 83fb401..6fa3bbd 100644
--- a/keyboards/crkbd/keymaps/sajenim/process_record.c
+++ b/keyboards/crkbd/keymaps/sajenim/process_record.c
@@ -43,6 +43,12 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
             }
             return false;
 
+        case SC_TOGG:
+            if (record->event.pressed) {
+                sentence_case_toggle();
+            }
+            return false;
+
         /* KEYBOARD PET STATUS START */
         case TABCTRL:
         case KC_LCTL:
diff --git a/keyboards/crkbd/keymaps/sajenim/process_record.h b/keyboards/crkbd/keymaps/sajenim/process_record.h
index 51ad677..1fb2991 100644
--- a/keyboards/crkbd/keymaps/sajenim/process_record.h
+++ b/keyboards/crkbd/keymaps/sajenim/process_record.h
@@ -6,6 +6,7 @@
 enum custom_keycodes {
   CK_LOCK = SAFE_RANGE,
   BSPC_DW,
+  SC_TOGG,
 };
 
 // Left-hand thumb key layers