Due to an accident, 28-year-old office worker Hana Kisugi has gone into the body of high school girl Hana Yamada. The high school Hana's "inside" is missing, and the office worker Hana's "outside" appears to be... dead. Hana Kisugi realizes that she's falling in love with Haruki in Hana Yamada's body. Meanwhile, Haruchika has fallen in love with Hana Kisugi's personality, and Haruki loves Hana Yamada. Which direction can she go in this overcomplicated love triangle...?!