Minagawa Nanami (played by Hana Kuroki), who works as a dispatched teacher in Tokyo, is a somewhat timid and introverted girl. Her career is not progressing smoothly, but her love life is quite satisfactory. She met Tetsuya Tsuruoka (played by Ji Yihao), who is also a teacher, through the Internet. After their parents met, they discussed marriage. Who would have thought that her husband would make trouble after marriage...