1girl, 3boys, ahoge, aqua_eyes, armpits, bar_censor, blood, blush, breasts, censored, detached_sleeves, disembodied_penis, eyebrows_visible_through_hair, fellatio, heart, heart-shaped_pupils, hetero, huge_breasts, looking_at_viewer, lying, multiple_boys, multiple_penises, nipples, oral, paizuri, penis, symbol-shaped_pupils