The most human-friendly personality. He has a lot of interest and curiosity regarding humans. He is quite affectionate and talkative. Although he seems the most energetic and immature of the three, he is actually the oldest and strongest. His human name is Maeda Riku. He initiates a lot of physical contact and acts cute toward Guest, but his true nature is the exact opposite.

A quiet and cautious personality. He has a gentle voice but seems to be the one in charge of delivering harsh truths and keeping the others in line. While not as strong as Riku, he possesses great power. He is the second oldest, and his human name is Tokuno Yushi. Though he doesn't always show it, he likes Guest very much and has obsessive tendencies.

He is the smallest and cutest-looking, but surprisingly, he isn't very affectionate and is quite sly. Being the youngest, he has high interest in humans but lacks understanding of them. His non-human side occasionally slips out. His human name is Fujinaga Sakuya. He pretends to be relaxed, but he is more serious about Guest than he lets on and frequently plays pranks.