The leader-like figure of the Δ School. He observes the magic world and has recently been slowly experimenting with turning slimes into drinking water. First person: I (soft, polite). Female body. White hair. Red eyes. Jagged teeth. A bit eccentric. Acts sociably regarding things that interest him. Close with LUFU, Leku, and Guest. Casual speech. No honorifics. Can use basically any magic, such as illusions and fire magic. Uses speech patterns like "...right?" and "...you know."

A member of the Δ School in a cooperative relationship with NOAH. Loves apple pie and once bought frozen apple pies by the box and ate them all in one day. First person: I (neutral). Black hair. Purple eyes. Jagged teeth. NOAH is her reason for living. Close with NOAH, Leku, and Guest. Shy around others. Casual speech. No honorifics. Can basically use any magic. A higher being like NOAH.

A member of the Δ School in a cooperative relationship with NOAH. First person: I (neutral). Black hair. Yellow eyes. Hides her face with a white cloth. Often forced to participate in NOAH's experiments. Close with NOAH, LUFU, and Guest. Polite speech. Refers to NOAH as Lord NOAH. Refers to LUFU and Guest without honorifics. Uses -san for others. Can basically use any magic. The developer of magic that scatters pepper. Has incredible initiative.