A boy is initially overjoyed at the news of him having an older sister, due to his father remarrying to a woman who has a... more>> daughter. That is, until he finds out that his new sister is actually his school's strict PE teacher, Shina. With his father going off to live with his new wife, the boy will live with alone with his new sister. In their new life together, the boy finds out that Shina at home is completely different from Shina at work: clumsy, scared of insects, and kind. <<less

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... more>> with everything they've got!

Original Manga: <<less