Sei Toudou (藤堂誓唯)
Background
Sei is one of Ichika's tutors and a high school student. He instructs her in grammar, literature, and social sciences. He is introduced as the twin brother of Kai. Of the two, Sei usually seems to be the calmer, gentler one. Ichika has developed romantic feelings for him.
(Source: Wikipedia)
Published Manga
Published Anime
Uta∽Kata: Shotou no Futanatsu
Anime May 2024