Mashiro and Sou's senpai in the Kendo club, he is portrayed as a very kind and understanding person. He serves as an "agony aunt" to Mashiro. However, he is revealed to be the son of the president of an important company, and his outside personality is nothing more than what his father and mother wanted him to be.
Koichiro Kurosaki
黒崎 晃一郎
After School Nightmare
