"You can think of me as your mom," said Mutsumi (Toyokawa Mutsumi) to Kenta, a friend of her son who grew up not knowing his own mother, in an attempt to cheer him up. To Mutsumi, it was a casual remark, but for Kenta, who harbored fantasies about having a mother, the words held special significance. What does a mother's warmth feel like? Spurred by Mutsumi's simple comment, an uncontrollable desire to experience a mother's affection took hold of Kenta, prompting him to visit Mutsumi the next day.