Volume 5 (light novel)

Volume 5 is one of the Super Cub light novel volumes.

Synopsis
It's January, the month of high school graduation, and they have only a few months left to spend in Yamanashi before they have to start college. However, a sudden ordeal strikes Koguma and Cub as they try to spend the rest of their high school life in peace.

She is hospitalized for five weeks. Her first hospitalization, her first surgery. Three unique women in the same hospital room. Separated from Cub, Koguma's daily life changes in half a day. On the other hand, Shii, who is about to take her university entrance exam, is about to take on a challenge all by herself...