1boy, 1girl, bikini, blue_shirt, blue_skirt, breasts, hetero, holding, holding_clothes, holding_swimsuit, indoors, murosaki_miyo, neck_ribbon, onii-chan_wa_oshimai!, open_mouth, oppai_loli, red_eyes, red_hair, red_ribbon, ribbon, shirt, short_twintails, sincos, skirt, solo_focus, suspender_skirt, suspenders, swimsuit, twintails, unworn_bikini_top, white_bikini