1girl, 3boys, absurdres, bar_censor, blue_eyes, blue_hair, braid, breasts, censored, commentary_request, completely_nude, fat, fat_man, fellatio, female_pubic_hair, gakuen_idolmaster, gangbang, girl_on_top, grabbing_another's_breast, grabbing_from_behind, grey_pubic_hair, groping, group_sex, hand_on_another's_head, handjob, highres, idolmaster, katsuragi_lilja, large_breasts, motion_lines, multicolored_hair, multiple_boys, navel, nipples, nude, oral, penis, pubic_hair, pussy, sex, short_hair, solo_focus, sonao, spread_legs, two-tone_hair, vaginal, white_hair