Our Wonderful Days, Volume 1 (Our Wonderful Days #1-6)

As children, Koharu and Mafuyu were best buds until Mafuyu moved away to Tokyo. But now, several years have passed and Mafuyu is back, attending the same high school as Koharu. As the two girls explore their sleepy hometown, Koharu can't help but develop a crush on her childhood best friend...