Haruki Sato, my childhood friend, suddenly returned to our hometown with her fiancé. Her expression occasionally revealed a hint of sadness. When she whispered, "Is it really okay for me to go through with this marriage?", a long-buried emotion deep within me awakened. Overcome by irresistible desire, we embraced and plunged into passionate sex. This is a pure, bittersweet, and tender love story between a man and a woman, depicted entirely from a first-person POV.