A coming-of-age mystery in which Tainaka, a high school boy who is constantly mocked by others, approaches the popular teacher Niki and proposes a dangerous deal.

How can I look normal?

A coming-of-age novel about Yusaku, who hides a facial birthmark with makeup, and Mashino, who also carries a secret, as the two slowly grow closer.

Their secrets bring them closer together.

A heartfelt historical novel centered on Sanjuyaku, a hidden courier service that delivers items with a story behind them.

What gets delivered is more than a package.