A young man named Kenji was born as the second son of three brothers. His mother, Takako, always had the impression that he was an easy child to raise... However, things changed when his older brother got a job and moved out, while his younger brother went to a dormitory school. Their father was busy with work, leaving just Takako and Kenji living together under one roof. The once lively home became quiet, making Takako feel lonely... Seeing her mother's sadness, Kenji felt guilty about focusing too much on his siblings and tried to shower her with love and affection... Note: The contents may vary depending on the distribution method.