The main character - Tatsuya Nabeshima was a world-famous painter.

However, after a certain event, he disappeared from the public eye. As a social studies teacher, he spent his days not involved in the art world.

In the social studies prep room that he calls his home. A life in seclusion with his beloved cat. But with the arrival of a new school year comes a new wind.

Kusunoki Iroha is an imaginative schoolgirl who adores Tatsuya. Aya Kurusu Sakura, the most talented girl in the school who mysteriously invites Tatsuya. And Saki Asuzaki, the daughter of my mentor.