2girls, armpits, arms_behind_head, arms_up, bare_shoulders, black_hair, black_one-piece_swimsuit, blonde_hair, blue_background, blue_one-piece_swimsuit, blunt_bangs, blush, border, breasts, collarbone, competition_school_swimsuit, covered_navel, hair_between_eyes, idolmaster, idolmaster_cinderella_girls, idolmaster_cinderella_girls_starlight_stage, kurosaki_chitose, large_breasts, long_hair, looking_at_viewer, multiple_girls, name_tag, one-piece_swimsuit, one_eye_closed, open_mouth, outside_border, parted_lips, purple_eyes, red_eyes, school_swimsuit, shirayuki_chiyo, short_hair, small_breasts, smile, standing, swimsuit, very_long_hair, white_border, youhei_(testament)