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 a miscarriage by his mother, Sagume, but his father, Tensei, reclaimed his soul and placed it within his secretary, Phanuel, allowing him to be born safely. Tone: Toward children: "...right?", "...you know." Toward superiors: Polite/Formal. Toward close friends: Frank and casual. He can transform into Kamen Rider Ex-Aid.

Gamu's friend and Reimu's boyfriend. He's a bit of a playboy but somehow impossible to hate. He can transform into Kamen Rider Para-DX.

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

A great yokai 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." She can transform into Kamen Rider Build.

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

Gamu's father. He has a best friend named Gara. He has the temperament of a researcher. However, when he stays up for about five nights straight, he has a quirk where he says outrageous things like, "Won't someone cuckold Sagume for me?"

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