Classmates O.B. Manga contains volumes 1-2 in an omnibus format and features story and art by Asumiko Nakamura.

School may be out, but for Kusakabe and Sajo, their lives together are just beginning! Will the two manage to make things work? Meanwhile, many of their friends, such as their former teacher Hara, are dealing with their own relationship drama. A collection of stories from the modern BL classic, Classmates!