High‑schooler Saito Houjou can"t stand one person—his moody classmate Akane Sakuramori. The pair have always been at odds, their opposing attitudes sparking endless clashes in the crowded classroom and hallway. Then Saito"s grandfather and Akane"s grandmother force a surprise meeting, demanding the pair wed to preserve family honor.
The thought of walking down the aisle is the last thing Saito and Akane desire, yet they"re quickly persuaded to accept the absurd arrangement and soon move in together as husband and wife. Though they loathe each other, cohabitating under one roof may transform their bitter enmity into lasting affection. Despite their fierce rivalry, they find small moments of shared laughter and unexpected support in the evenings.