Kono Koi wa Tsumi nano ka?

24-year-old salaryman Kohinata Taiga (Ito Kentaro) with low self-esteem. He has no experience in love, and lacks communication skills as well as a purpose in life. While on his way to work one day, Taiga meets Komada Tae (Kashiwagi Yuki), a busty woman with a baby face who is 8 years his senior, through an “accident” and falls in love for the first time. He learns that Tae is actually a professional shogi player. A romance between two very different people begins. Is this love a crime or a checkmate?

Synopsis: JDrama Weblog