At the age of 23, Kazama Masamune is a single man who unexpectedly discovers a huge secret: he has a child. Tragically, his beloved partner passes away during the cherry blossom season. However, his life takes an unexpected turn when he encounters a little girl outside his workplace and soon comes to the realization that she is his daughter, who was hidden from him by her mother. What was supposed to be the worst time of his life, transforms into a bittersweet yet memorable spring season for Kazama.
