Ichatsuki Taino
いちゃつきたいの
Yugao's grandfather owns a private library located on a cliff. Within it is a secluded room filled with books on the occult, said to be cursed. Kiryu, a solemn man, works alone in this enigmatic space. He has a passion for teaching others. Yugao admires him greatly, and after kissing him, his views on sex change.