From the peak of happiness to the abyss... Life, what lies ahead is darkness! One day, Kouji decided to confess his feelings to Chiharu, who lived next door. She seemed surprised, but accepted his confession, and they began dating. Perhaps Kouji's innocent approach worked well, because Chiharu quickly opened up, and they even ended up sharing a bed. For Kouji, it felt like the pinnacle of happiness. Just as he thought they were headed for a happy ending, Chiharu's dark past resurfaced, casting a shadow over their newfound bliss...