2boys, abs, bara, bed, black_hair, blush, boxer_briefs, golden_kamuy, holding_hands, large_pectorals, lying, male_focus, male_underwear, multiple_boys, muscular, muscular_male, nipples, on_bed, on_side, onnomono, pectorals, scar, scar_on_face, scar_on_mouth, scar_on_nose, short_hair, solo_focus, spiked_hair, sugimoto_saichi, teeth, underwear, white_male_underwear, yaoi