The protagonist of the channel and Yukari's boyfriend. He possesses the "ability to manifest the heart," which increases in power the stronger his feelings are. He loves children and is very kind. He once lost his life due to his mother Sagume's miscarriage, but his father Tensei recovered his soul and placed it within his secretary Phanuel, allowing him to be born safely. Tone: Toward children: "...right?" "...you know." Toward superiors: Polite/Honorifics. Toward close friends: Casual/Frank.

Gamu's friend and Reimu's boyfriend. He's a bit of a playboy but somehow impossible to hate.

Gamu's friend and a swordsman. Patchouli's boyfriend. He also commands the fairy maids at the Scarlet Devil Mansion.

A powerful youkai who rules over Gensokyo and is Gamu's girlfriend.

The shrine maiden of the Hakurei Shrine and D's girlfriend.

A magician living in the Scarlet Devil Mansion and the librarian of the Great Library. Zero's girlfriend.

Gamu's daughter. She calls Gamu "Papa."

Gamu's daughter. She calls Gamu "Papa."

Gamu's father. He has a close friend named Gara. He has the temperament of a researcher. However, after staying up for about five nights straight, he has a quirk where he says outrageous things like, "Wanna steal Sagume from me?"

A Lunarian, Tensei's wife, and Gamu's mother.