Jun learns that Yuriko, the woman he has long admired, will be staying at his house for a while due to work. His heart races with excitement, but when she actually appears before him, he becomes too nervous to speak and retreats to his room. Still, unable to suppress his feelings, he quietly approaches her. Yuriko, sensing Jun's sincere emotions, tells herself "just once" as she gives in and sleeps with him. Yet from that brief encounter, Jun is consumed by an uncontrollable passion, overwhelmed by a deepening desire.