University student Sasaki Kento is a loner. However, one day a beautiful girl called Itou Natsuki sits in the always-empty seat next to him. "This seat is free, right? If you don't mind, can I sit next to you?" With this "chance" meeting Kento's black-and-white life starts to add a bit of color. (Source: Kadokawa, translated)

Tonari no Onna no Okage de Itsunomanika Daigaku Seikatsu ga Tanoshiku Natteita began as a web novel on Kakuyomu on September 20, 2018. An official volume was published on March 1, 2020 by Kadokawa under the Kadokawa Sneaker Bunko label.