3boys, anal, artist_name, ass, back, backlighting, black_border, black_hair, blonde_hair, blue_hair, border, brothers, clenched_teeth, closed_eyes, completely_nude, cum, cum_in_ass, cum_while_penetrated, dated, dimples_of_venus, ejaculation, feet_out_of_frame, group_sex, hands_on_another's_hips, incest, indoors, long_hair, male_focus, male_pubic_hair, mmm_threesome, moon, multiple_boys, multiple_moons, night, night_sky, nipples, nude, open_mouth, penis, pubic_hair, reverse_upright_straddle, sex, sex_from_behind, siblings, sky, spiked_hair, spread_legs, star_(sky), straddling, teeth, testicles, threesome, upright_straddle, window, yaoi