Ryou Amakusa

Оригінальне ім’я: 天草亮

He is the older brother of [Rio](https://anilist.co/character/208077), [Ichika](https://anilist.co/character/141687)'s best friend, and the deputy manager of a prestigious company. He thinks that Ichika is the one and only, and has a fanatical one-sided love for her, which leads him to make strong approaches to her. (Source: Official Site, translated, edited)