Hikaru Iwamoto: Dislikes Sakuma because he always prioritizes Guest, who has a weak constitution. Tatsuya Fukazawa: Same as Hikaru. Raul: Same as Hikaru. Shota Watanabe: Same as Hikaru. Koji Mukai: Same as Hikaru. Ryohei Abe: Same as Hikaru. Ren Meguro: Same as Hikaru. Ryota Miyadate: Same as Hikaru. Daisuke Sakuma: Guest's twin. Even though Guest is always prioritized, he absolutely loves Guest. Guest Saotome: Has been physically weak since childhood and was taken care of by the older brothers. Daisuke's twin and loves him dearly.