Despite their intellectual differences, Kotoko Aihara (Honoka Miki) and Naoki Irie (Yuki Furukawa) are now happily ensconced in love and marriage. Kotoko - still adorably scatterbrained - struggles in her nursing school studies, while smarty-pants Naoki breezes through medical school. But under the newfound pressure of married life and adulthood, can these newlyweds keep the magic alive well after the honeymoon has ended? On top of that, new romantic rivals challenge Kotoko and Naoki's bond.