1girl, ;d, ahoge, armpits, arms_up, beach, bikini, black_choker, blush, breasts, choker, cleavage, floating_hair, front-tie_bikini_top, front-tie_top, gokineko_(roachcat), idolmaster, idolmaster_shiny_colors, komiya_kaho, long_hair, looking_at_viewer, medium_breasts, navel, one_eye_closed, outdoors, outstretched_arm, red_bikini, red_eyes, red_hair, side-tie_bikini_bottom, smile, solo, swimsuit, thigh_gap, very_long_hair