Rascal Does Not Dream of Dreaming Girl Novel

Superstring (of fate) Theory!

Sakuta is DOOMED! His girlfriend, Mai, has discovered that while she was away, he's been living under one roof with his first love, the now college aged Shouko. What Will become of this middle schooler whose only dream is to grow up? Why did Sakuta's old flame come barging into his life again after all this time? And how does Sakuta fin in this situation?

Volume 6