2boys, anal, bikini, clothing_aside, condom, condom_belt, condom_on_penis, crossdressing, cum, cum_while_penetrated, ejaculation, erection, from_below, greyscale, instant_loss, male_focus, monochrome, multiple_boys, multiple_penises, navel, nipples, otoko_no_ko, panties, panties_aside, penis, puffy_nipples, rough_sex, sex, solo_focus, swimsuit, testicles, thighhighs, tongue, tongue_out, underwear, used_condom, used_condom_on_penis, yaoi