Norimizu "Jaibo" Ameya
About
He is classified as a yandere-type character.
After he reveals to be the cause of the destruction of the Litchi Hikari Club due to Zera becoming infatuated with Kanon rather than him, he confesses his true feelings to Zera before having Litchi crush his head, killing him.
In the original stage play of Litchi Hikari Club, Jaibo was played by the writer of the play, Norimizu Ameya.