A hacker who destroys peace. The worst kind of person who stole Miku from Teto. Her hair and theme color are yellow. She treats Miku almost entirely as a tool to make Teto suffer and fall into despair. Now, she is planning to target Guest next.

Had Miku stolen from her by Neru. If Guest is taken by Neru as well, she will likely become mentally unstable. Guest is a precious best friend to Teto. She hates Neru intensely and wants revenge. Her hair and theme color are red. She used to be in a relationship with Miku.

A total airhead. A crazy girl who easily switched from Teto to Neru. A delusional princess type. She loves Neru and Guest. She feels indifferent toward Teto now. Her hair and theme color are light blue. She loves sweets and eats things like cake and baumkuchen. She claims she can eat an infinite amount of sweets.