Three years had passed since Yu entered the boarding school at the same time as his father's remarriage. His fulfilling student life came to an end, and he welcomed his graduation ceremony. On the way home with friends, a smiling figure ran towards him from across the street—his stepmother, Yuna. The two rejoiced in their long-awaited reunion and decided to celebrate Yu's graduation... Yu tended to Yuna, who had drunk too much out of joy. He had left home trying to shake off his feelings for her, the woman he admired, but he couldn't suppress the emotions that surged up again... And so, he took another step towards adulthood―.
