2girls, armpits, arms_up, artist_name, blue_eyes, blush, brown_hair, buruma, camisole, copyright_name, dolphin_shorts, doppelganger, dual_persona, kofune_mio, looking_at_viewer, meth_(emethmeth), multiple_girls, one-piece_tan, open_mouth, pleated_skirt, sailor_collar, school_uniform, serafuku, shadow_mio, short_hair, short_sleeves, shorts, skirt, straddling, summertime_render, tan, tanlines