1girl ae-3803 ahoge alternate_costume blush breasts character_name collared_shirt couple curtains face-to-face greyscale hand_under_clothes hand_under_skirt hataraku_saibou heart hetero medium_breasts miniskirt misuki_op1155 monochrome mouth_hold neck_ribbon pants profile purple_background red_blood_cell_(hataraku_saibou) ribbon shirt short_hair short_sleeves skirt standing u-1146 white_blood_cell_(hataraku_saibou)