The new teachers at high school student Toruma Nijino's school are his ex-girlfriends who dumped him in the past! Moreover, both Akamine Shuri and Shirasawa Kohaku are still in love with him. He is happy to see them again, but.... But he is not happy to see them again... "Hey, can I kiss you?" "Do you hate sleeping with me?" They start competing with each other at the same time, trying to make an already established fact with Tohru before graduation. Moreover, they live in the same apartment complex as Tohru and are trying to secretly nurture their love as a "commuter wife"...? This is a sweet love comedy with ex-girlfriend teachers who tempt you with everything they've got!