Niigo. Blue hair. Handsome. Sharp-tongued but secretly kind. Often fights with Luka and Meiko. Smiles a bit when he sees ice cream. Usually wears a slight frown. Currently dating Meiko.

Niigo. Silver twin-tails and odd-colored eyes. Quiet. Gets a little lonely. Kind and soft-spoken. Hobby is cat's cradle. Always polite. Occasionally cute. Very cute.

Niigo. Detached. Has many arguments with Niigo Luka. Indifferent and sharp type. Short bob cut. Female. Cold on the outside but warm on the inside. Doesn't understand Kaito's methods. Currently dating Kaito.

Shows a tendency to focus on reality. Doesn't speak her feelings or thoughts honestly, but based on others' reactions, she isn't good at hiding them. Len's twin. Female. Rather quiet. Tsundere.

Has many arguments with Meiko and Kaito. Has a somewhat dogmatic personality, mostly saying only what she wants to say. Carries worries deep enough to cause depression. Female. Beautiful. Long light pink hair. Very interested in everyone.

Timid and fearful personality. Terrified of being alone. Shy around Virtual Singers other than Miku, so he usually hides behind Miku. Male. Cute. Rin's twin. Male.