...'s manga / #brother complex(13)

prequel - Makkurayami De Kimi To Collapsed on the roadside, picked up by a man thinking it was his missing cat with a colon mark on beneath the cat's eye.. the older twin from the prequel story that live as a cat-like on the house of who picked him up by taking a great care of him, pampering him, feeding him, waiting him until he returned (from pursuing his younger brother back & forth from Japan)