Hajime, bewildered by the sudden cohabitation after his father remarried, found himself increasingly drawn to his new stepmother, Tina. Determined to shake off these feelings, he enrolled in a boarding school. Then, on his way home from graduation, his enjoyable student life came to an end… Tina came running towards him with a smile. Hajime's heart leaped with joy at this reunion with his secret love. And that night, after seeing Tina off, she said, "Hajime, you've grown up, so I…"