2boys, bara, blank_stare, chest_tattoo, couple, curtained_hair, eye_contact, from_side, glasses, greyscale, hand_on_another's_shoulder, large_pectorals, long_sideburns, looking_at_another, male_focus, mature_male, mole, mole_under_mouth, monochrome, multiple_boys, muscular, muscular_male, nipples, nore_(boosuke), open_clothes, open_shirt, original, pectorals, scar, scar_on_face, scar_on_forehead, scar_on_nose, short_hair, sideburns, sketch, smile, tattoo, thick_eyebrows, topless_male, yaoi