2boys, anu_yu, bed, black_footwear, black_hair, black_nails, black_pants, blanket, closed_eyes, closed_mouth, facing_another, fins, full_body, golden_light_puppet_show, grabbing_another's_chin, grey_scales, hand_on_another's_chin, high-waist_pants, imminent_kiss, indoors, interspecies, jewelry, jinguang_budaixi, leaning_forward, long_hair, long_sleeves, male_focus, merman, monster_boy, monsterification, multiple_boys, muted_color, neck_ring, nipple_piercing, on_bed, pants, piercing, pillow, pleated_sleeves, puffy_long_sleeves, puffy_sleeves, scales, shen_gu_wen_huang, shirt, sitting, sitting_on_person, sleeves_past_wrists, straddling, tail, tail_ornament, tail_piercing, white_hair, white_shirt, window, yaoi