Adachi to Shimamura

Adachi to Shimamura is a Japanese light novel series written by Hitoma Iruma and illustrated by Non. The story follows two high school girls, Adachi and Shimamura.

Their friendship begins when they happen to meet on the second floor of the gymnasium. Over time, what starts as a casual connection gradually becomes something deeper, tender, and more complicated.

The series has also been adapted into manga, anime, and multiple drama CDs, earning a special place for its delicate exploration of intimacy, loneliness, and first love.