Boku to Kanojo to Kanojo no Ikiru Michi

The theme of this drama series is the bonds between parents and children and between husband and wife. What does it mean to love another person? What does it mean to live? And what is true happiness? One day a man is suddenly told by his wife that she wants a divorce. He had always thought he was a good husband. Up to now, he had always complied with her wishes. But without telling him why, she gathers up all her belongings and leaves, leaving behind only their 7-year-old daughter. So now life as a twosome begins for him and his daughter Rin. But there's an awkward atmosphere in the house. Unwillingly performing household chores he's not used to doing and left to care for Rin, Tetsuro becomes angry and stressed out, without really knowing how Rin feels inside.
(Source: Fuji Creative, DramaWiki)