Ryôsuke Fukuda

Michiko Shibata, A 30-year-old woman who has no job, no money, no boyfriend starts working for her former boss (Who she thinks is her arch nemesis) in a café until she settles in once more. But after spending a long time with her former boss she falls in love with him. (imdb)

Shinichi Sakurai is married to Kanako and they have a daughter named Kaori. Both, Shinichi and Kanako received only a middle school level education. Even though they don't have much money, they are a happy family. At work though, Shinichi experiences effects of only having a middle school education. One day, Shinichi sees Kaori's poor score for a national test. He freaks out and decides to improve Kaori's education. Thus, 41-year-old Shinichi begins studying with Kaori and instructs. (imdb)