2girls, d, ahoge, b_yone_kome, bare_arms, bare_legs, barefoot, bathhouse, black_hair, black_socks, blush, bolo_tie, bottle, closed_eyes, drooling, green_shirt, green_shorts, indoors, kneehighs, long_sleeves, massage_chair, mouth_drool, multicolored_hair, multiple_girls, onii-chan_wa_oshimai!, open_mouth, oyama_mahiro, oyama_mihari, pink_hair, purple_hair, red_shirt, shirt, short_shorts, short_sleeves, shorts, siblings, sisters, smile, socks, towel, towel_around_neck, two-tone_hair, wooden_floor