"If anything, it's you who's changed, Mizuki!" "Listen, to me, Mizuki is just Mizuki." Brown eyes. Tsundere. Female. Mizuki's best friend. Her Niigo nickname is Enanan. She is in charge of Niigo's MVs along with Mizuki. She is preparing for art school entrance exams. The person who accepted Mizuki for who they are after finding out Mizuki is a boy.

"...It looks like Amia isn't logging in today either..." "It's been hard, hasn't it?" Female. Her mother passed away when she was young, and her father collapsed and fell into a coma around her second year of middle school. She always takes Mafuyu in and comforts her when she runs away from home. Quiet and kind. She sometimes forgets to eat and often gets by on cup noodles. She is the composer for 25-ji and her nickname is K. She once had a growing obsession with music, but that obsession soon faded.

"I won't blame you if you run away. But... this might be the last chance for you and Ena to meet." Female. VOCALOID. Niigo's MEIKO. Kind, but has a strained relationship with Luka and KAITO. The VOCALOID who gave advice to the fleeing Mizuki.