hua cheng, xie lian, tianguan cifu, absurdres, highres, 2boys, animal skeleton, black hair, blue background, blue theme, bug, butterfly, chinese clothes, glowing butterfly, hair ribbon, hand on another's neck, hanfu, hezhishanchuan, insect, kiss, long hair, magic, male focus, multiple boys, reaching, reaching towards another, red hanfu, ribbon, sailing ship, ship, skeleton, underwater, water, watercraft, white butterfly, white hanfu, yaoi