Seijun Yuyama (湯山 靖隼 Yuyama Seijun)is a 2nd year in class D and the vice president of the Broadcasting Club.
Seijun wears the school uniform with a dark green tie, darker-green checkered pants and black boots.
Unlike the broadcasting club's president, Seijun is a very quiet, calm and reserved person. He is the one to put some sense to his partner's, Koya Ashihara, antics. While generally being quite stoic, Seijun is also very snarky, particularly to Koya.
As the DJ of the broadcasting club, he enjoys music, especially techno, and likes to collect records.
Despite his more calm personality, he is part of Chiguma Marume's fanclub who will act like a fanboy whenever he sees or interacts with him.
Seijun and Koya are both and the only members of the Broadcasting Club and are perfect foils to eachother. Koya seems to be very attached to Seijun, being the one insisting that they should keep their club to only the two of them. Seijun gets dragged along with Koya's ideas due to his constant nagging. Koya calls them a 'combi', much to Seijun's dismay. Nonetheless, the two of them are close friends and are often seen talking to eachother.
Seijun is a great fan of Chiguma, being one of the only things that brings him out of his usually quiet and reserved self. It goes as far as Seijun getting excited and jittery from getting a handshake from him.
Kaoru is one of the few people Seijun can be seen talking to, besides Koya. They're also classmates.
- Favorite: Ramen
- What I Like: Techno Music and Record Collection
- What I'm not good at: Making a fuss and bitter vegetables
- The name Seijun means "peaceful" (靖) (sei) and "falcon" (隼) (jun).
- Seijun's surname Yuyama means "hot water, bath, hot spring" (湯) (yu) and "mountain, hill" (山) (yama).