Mineo Nobuaki

Mineo is a boy with chuunibyou syndrome, calling himself Alphonse = Kalcifer Raiden. He met Shun when he was a sophomore at the time when Shun was in his initial stage of chuunibyou, Mineo gave way on his creation of his alterego Jet-BlackWings. He felt great shame when Shun, who was called to speak for him in the graduation, recalled their good times as chuunibyou fighting for the world.

Trivia

 * full name and character profile was found in the character guidebook.