Since he was young, Yuusuke lost his father and was raised by Ryoka alone. Despite the hardships and struggles they must have faced, Yuusuke always loved Ryoka, who was always smiling. One day, Yuusuke was shocked to hear from Ryoka that she had a boyfriend. Excited about her new love, Ryoka neglected her household chores, eventually leading to a big fight with Yuusuke. However, a few days later, when Yuusuke returned home, he found Ryoka alone, looking gloomy and dejected…
