Kousuke has lived life playing as the ideal self, a father at home and a manager at work. However, his life changes 180 degrees when he meets his daughter's friend. In front of her, Kousuke is able to be his real self, and his worn-out heart is healed. However, he knows that these are feelings that should never be held. Presented to modern people who suppress their true selves in society, a middle-aged-man-meets-girl story unfolds.