Born as the youngest of three brothers, Dai. To his mother, Maki, he seemed like a child who didn't need much attention... But one spring, his two older brothers moved out to live on their own, and his father went on a business trip alone, causing their lives to change abruptly. Dai and Maki began living together as just the two of them. The once lively home suddenly became quiet, and Maki felt a sense of loss... Seeing his mother like this, Dai felt loneliness and regret, and he tried to regain the maternal love that he had never been able to monopolize...
