Fifteen years ago, Atsushi Ueda, a 28-year-old virgin, was given a baby by a friend. The friend had committed a murder and was in jail. The baby's name is Suzu. Atsushi raised Suzu as his daughter. Suzu calls her father "Tatan". The father never told his daughter anything about her birth. Suzu knows nothing about it. While her real father's release from prison is less than a year away. A heart-tugging comedy about a father and daughter with a strange past.