Sekai no Hate no, Mannaka de.

Synopsis

I dislike showing my feelings. And I dislike interacting with people even more... Having transferred schools multiple times, Maho feels disconnected from human relationships, thinking, "Whether I exist in this world or not, it's all the same." But ever since meeting a boy, her solitary world begins to shift towards connection with others... (Source: Ciao Comics, translated) Note: Includes one extra chapter.