High schooler Natsuo is hopelessly in love with his cheerful and popular teacher, Hina. However, one day at a mixer, he meets a moody girl by the name of Rui and ends up sleeping with her. Soon after, his father announces that he's getting remarried to a woman with two daughters of her own. And who shows up in tow, other than both Hina and Rui?! Natsuo's outrageous new life starts now!
What do you think of girls like me, Fujii-kun...? Miu's sudden question blindsides Natsuo. Meanwhile, Hina is shaken to the core when she finds out her ex, Shuu, finally got a divorce. What's more, there's a new development in Natsuo and Rui's relationship?!