ruin (lv43), ruin (pixiv418285), shia (lv43), chen, yakumo ran, yakumo yukari, touhou, biting ear, 3girls, age difference, animal ears, biting, blonde hair, blush, breast press, breast smother, breasts, brown eyes, brown hair, cat ears, cat girl, cat tail, cleavage, cooperative breast smother, earrings, face to breasts, female focus, fox tail, girl sandwich, hat, jewelry, large breasts, loli, long hair, looking at breasts, multiple breast smother, multiple girls, multiple tails, onee-loli, purple eyes, sandwiched, sexually suggestive, short hair, tail, teamwork (sexual), wince, yellow eyes, yuri