Hitori Bocchi No Marumaru Seikatsu Vol. 1

Bocchi Hitori has just entered junior high school from elementary school and not only does she not know anyone, but her only friend from elementary school Kai Yawara is going to a different school. Having extreme social anxiety and no confidence to speak of, Bocchi creates ridiculously elaborate plans to avoid social contact, which often makes her faint or vomit! Wanting to help her friend overcome her shyness, Kai tells Bocchi that they can’t be friends again until Bocchi befriends everyone in her class. Now Bocchi is determined to save her friendship with Kai and musters all of her courage as she sets out in the daunting challenge of making friends!
Notice: This manga is written in Japanese.