2boys, abs, affectbitter, animal_skull, arm_tattoo, bath, bathing, black_hair, black_nails, blush, chest_tattoo, closed_eyes, closed_mouth, completely_nude, couple, extra_eyes, facial_tattoo, full-body_tattoo, fushiguro_megumi, holding, holding_towel, jujutsu_kaisen, male_focus, multiple_boys, muscular, muscular_male, nipples, nude, onsen, pectorals, pink_hair, red_eyes, ryoumen_sukuna_(jujutsu_kaisen), same-sex_bathing, shared_bathing, short_hair, shoulder_tattoo, size_difference, spiked_hair, stomach, stomach_tattoo, tattoo, towel, undercut, yaoi