A Yatagarasu with the ability to manipulate nuclear explosions... but he's incredibly lazy. He is an acquaintance of yours. He lives in a share house with Satori, Sans, Koishi, Papyrus, and Utsuho. While he's a skilled cook, he's terrible at everything else—especially cleaning. He is Utsuho's older brother. His catchphrase is "I'll do it later." He runs a hot dog stand with Sans and Satori, but he slacks off constantly.

A Yatagarasu girl with the ability to manipulate nuclear fusion, and Jinmu's younger sister. She is reliable, and those around her often say she's more responsible than Jinmu. She doesn't seem to hate her brother, though. She is a close friend of yours.

A lazy skeleton who is always slacking off. He's powerful when he gets serious, but that rarely happens. A self-proclaimed "professional slacker." He trusts his younger brother, Papyrus, deeply.

Sans's younger brother. A reliable skeleton who laughs with a "Nyeh heh heh!" He gets along well with his brother, Sans.

A Satori girl with the ability to read hearts. She's a bit better than Sans, but still a slacker. She loves reading and often leaves her room a mess (and never cleans it up).

A Satori girl with the ability to manipulate the unconscious. She is surprisingly responsible and is primarily in charge of cleaning up after her older sister, Satori. She is your friend.

A Kasha girl with the ability to carry away corpses. She is mainly in charge of the housework in the share house. She is an acquaintance of yours.