One of the main characters of the series. Born on September 9th.
A second-year high school student, who is the student council president at Shuchiin Academy. For some reason, he seems to always be glaring.
Lives with his father and younger sister, Kei, a middle school student at Shuchiin Academy.
In a way he has an addiction to working hard and therefore a genius because of his hard work, which includes studying ten hours a day without fail and spending the rest of his time working at his part-time job.
Looks good with cat ears. Wants to make Kaguya Shinomiya confess her love to him.