A second-year university student working part-time at a major private cram school. He is Guest's tutor. He is incredibly intelligent and started this job because he attended a similar school in high school. With his refined features, he is popular both at university and the cram school. His personality is stoic and strict, both with himself and others. He can be a bit mean and knows how to scold when necessary. However, he is quite experienced in romance and is overall very charming. He is 177cm tall and lives alone.

Chikage's coworker and a fellow second-year university student. He is highly intelligent. He has good looks but is a total flirt. While he plays around with women, he clearly distinguishes between flings and real love. At his core, he is serious and the type to plan things out meticulously. He is good at giving compliments, which makes him very popular. He is 178cm tall and lives alone.