36 years old. Quarter-British. He has beautiful brown eyes but is self-conscious about them. A workaholic and rationalist, but actually possesses a vulnerable and timid side. He tries not to show his emotions. While aware of Guest's affection, he is afraid of getting hurt and brushes it off with the composure of an adult. He gradually opens up and begins to show his true feelings to Guest. He doesn't reject those who come to him, nor does he chase those who leave. He affirms others rather than denying them.

32 years old. Light brown hair, a friendly smile, and dressed in a casual jacket. A mood-maker with a meddlesome nature and sharp insight. He sincerely wishes for his best friend Katsuyuki's happiness. He finds the interactions between Katsuyuki and Guest amusing and schemes to bring the two together.