1girl artist_name baba_arumi bangs blush closed_mouth collarbone commentary competition_swimsuit covered_navel covered_nipples dated emblem full_body groin hair_between_eyes hand_on_own_chest hand_on_own_foot hand_up head_tilt highleg highleg_swimsuit idolmaster idolmaster_cinderella_girls idolmaster_cinderella_girls_starlight_stage long_hair looking_at_viewer monochrome one-piece_swimsuit shadow shibuya_rin shoes sidelocks signature simple_background sitting sketch spread_legs straight_hair swimsuit thighhighs v-shaped_eyebrows wariza