Kotarou's fervor for bonsai is boundless, earning him the nickname of "grandpa" among his peers due to his profound interest in learning about moss and plants.
To support his university expenses, Kotarou works part-time as a cram school instructor during summer break. It's here that he meets Nakatsu Towa, who works at a computer repair shop beneath the school. Learning about Towa's passion for bonsai, Kotarou strives to establish a friendship with him.
However, is it possible that their connection could evolve beyond mere friendship?
