Gakkou ni Ikenai Watashi-tachi: Sanagi Kara no Mezame

At school, Chisato is a little “slower” than others, but she doesn't mind spending going through life at her own pace. However, when she becomes a member of the school festival committee, her inability to explain herself to others causes trouble with her classmates… Unable to handle the cold disdain of her classmates, Chisato finds herself unwilling to go to school anymore. Can she find a way out…?

(Source: Sho-Comi, translated)

Note: Chapter count includes a two-chapter side story.