Nana Harumura

The story is set in the future where humanity and the Z/X have entered a treaty and headed towards a moment of peace. Azumi Kagamihara—a girl affiliated with the Blue World—is chosen together with her Partner Z/X Rigel to enroll in Fujimisaki Academy, a school established to gather girls that are partnered with Z/X from all over Japan.

Hitori Bocchi, a girl with extreme social anxiety, has had only one friend throughout elementary school. When Bocchi learns they'll be split up after graduation, she makes a promise to her: "By the time of my middle school graduation, I'll make friends with everyone in my class." And if she can't... they won't be friends anymore?! But Bocchi has a hard time talking to people. When she gets nervous, her legs cramp. She can't look other people in the eye. She doesn't even know how to make friends! Every way she thinks of to make friends ends up failing. Will her friend-making plan pay off?!