Yūsuke Nisaka

Yūsuke Nisaka (仁坂 悠介 Nisaka Yūsuke) is one of the main characters in the story. He is the son of Kidou Nisaka and Yurie Nisaka, the younger brother of Youichi Nisaka, the brother-in-law of Marie Kusaka, the cousin of Aoi Nisaka, a first-year student at Kasugayama High and a close friend/classmate of Yukari Nejima.