2boys, biting, black_hair, black_hoodie, blonde_hair, blush, freckles, from_side, green_hair, grey_background, half-closed_eye, hood, hood_down, hoodie, lip_biting, looking_at_another, male_focus, multiple_boys, nipples, open_mouth, parted_lips, partially_unbuttoned, pectorals, profile, saliva, shirt, short_hair, spiked_hair, sucking_male_nipple, teeth, yaoi