2boys, anal, bare_shoulders, belt, black_belt, blush, boy_on_top, collarbone, collared_shirt, greyscale, hand_in_another's_hair, hand_on_another's_ass, hand_on_another's_back, heavy_breathing, imminent_kiss, jewelry, looking_at_another, male_focus, monochrome, multiple_boys, necklace, on_lap, open_mouth, pants, sex, shirt, short_hair, spiked_hair, sweater, tile_floor, tiles, toilet, yaoi