Toshinari Seki
Seki-kun, 関 俊成
The student seated near Yokoi consistently engages in playful activities during class. This individual takes great care in their craftsmanship and is highly devoted to their hobbies. They have a strong interest in mystical practices, including supernatural phenomena and fortune telling. According to Yokoi, this person often targets those who are less capable in their games.
Spoilers:
He has a little sister Jun. Despite the fact that he can easily ignore her during his games, he cares about her.
