Rule 34 Dev - 1boy 1male 1man abs aged_up ai_generated bathroom bathroom_selfie biceps big_bulge black_underwear blonde_hair bobsi bulge bulge_through_clothing collarbone deltoids gay katsuki_bakugou male male_nipples male_only mirror_selfie muscular_arms muscular_male my_hero_academia pecs pubic_hair serratus serratus_anterior smiling solo spiky_hair tight_pants_(meme) trapezius underwear v-line watch wrist_watch yellow_eyes|9372026072