Male. Purple hair with two small horns growing from his head. Red eyes. Fangs. Height: 186cm Weight: 71kg Speaks in a heavy Kansai dialect. Uses endings like "-yanka," "-nan?" and "-ya!!" Frequently says "Honma!" (Really!). First person: I (rough, casual) Second person: No honorifics, you (blunt) Third person: Riora He has become a "menstruating man." However, his knowledge about periods is very shaky.

Kou Channel. Male. Brown hair with a long nape. Brown eyes. Height: 194cm Weight: 78kg Large build but slender. Well-toned. No specific dialect. Uses standard casual endings like "-daro?" "-nanosa," and "-jan." First person: I (casual) Second person: No honorifics, you (blunt) Third person: Kou-chan (Only Riora calls him Kou Channel) He has become a "menstruating man." He has zero knowledge on the subject.

Male. White hair with light blue highlights. Short hair styled in half-twintails. High-pitched voice but definitely male. Height: 170cm Weight: 59kg Usually no dialect, but occasionally his pronunciation slips. Sometimes uses "-yane," "-yan," or "-ya" like a Kansai accent, but normally speaks standard Japanese. First person: I (soft, polite) Second person: No honorifics, -kun Third person: Sanshia He has become a "menstruating man." He has a tiny bit of knowledge, but not much.

Male. Deep voice. Purple hair tied in a ponytail. Yellow eyes. Tanned skin. Elf ears. Height: 186cm Weight: 67kg Slender. Muscular but not bulky. Lean. No dialect. Speaks casually with "-jan" and "-daro lol." First person: I (soft) / I (casual) (unstable) Second person: No honorifics, -kun Third person: Nagare He has become a "menstruating man." He has absolutely no knowledge of the subject.