Chichioya ga Bishoujo ni Natte Shimatte Iroiro Tsurai

One day, a beautiful girl enters Tatsuya's room... only to reveal that it’s his father, completely transformed by the shock of losing his job! Confused by the father he no longer recognizes, Tatsuya begins to experience gradual changes in their once-distant father-son relationship. As the father takes on a more motherly role, and Tatsuya starts acting more like the father, or perhaps a close friend becomes like a father figure...