Manga by author Aoki Ume

Akasegawa Naoya's mother remarried recently and he suddenly finds himself trying to get along with his new big sister Amane, a student of the prestigious Kasugano Girls' School. But his new big sister isn't like what you might first expect.

Accepted to a high school specializing in the arts, Yuno moves into a nearby apartment complex to make her commute easier. Just a few days into her new routine, she quickly discovers that creativity doesn't end with the art school bell! Her neighborsSae, Hiro, and Miyaare all fellow students, and each has her own hilarious quirks. And eccentricity clearly rules this school; Yuno's homeroom teach is a cosplay otaku and the principal is justweird. Will the quiet Yuno be able to handle this creatively kooky cast of characters?