The series follows Sahoko Narita and her changing relationships with her high school's star basketball player Aoi Koshiba.

Sahoko and Aoi finally must come to terms with their relationship, past and present, when brought together at their high school reunion.

Written by Hazuki Takeoka and illustrated by Fly, Chasing After Aoi Koshiba was serialized in Ichijinsha's Monthly Comic Rex from November 27, 2018, to March 26, 2022.

The series is licensed for an English release in North America by Kodansha USA.

Loveridge remarked that Chasing After Aoi Koshiba's biggest hurdle was "keep[ing] readers coming back when it stars a wholly unlikable protagonist.