fue (tsuzuku), hayami koharu, hinatabokko, washing, game cg, tagme, 1boy, 1girl, :<, bathing, bathing another, bathing together, bathroom, blue hair, blue one-piece swimsuit, blue school swimsuit, blush, cat thighhighs, closed mouth, holding, holding sponge, loli, mixed-sex bathing, one-piece swimsuit, school swimsuit, shared bathing, short hair, soap, soap bubbles, sponge, swimsuit, tiles, washing another, washing back