1boy, 1girl, :d, black hair, blank eyes, blue eyes, blue hair, collaboration, comic, english text, fang, hair ornament, headphones, heterochromia, hinghoi, jacket, merryweather, multicolored hair, nintendo switch (personification), open mouth, original, personification, red eyes, red hair, sailor collar, slap mark, slap mark on face, slapping, smile, sound effects, twintails, upper body