Shion often calls his childhood friend Ibuki "perfect." One day, along with a mysterious voice from Heaven that declared: "for being such a good child, we will take him away from this world in seven days," Shion's back blooms with feathers and a ring appears over his head. Ibuki gradually loses his senses and decides to "defile" Shion …
The countdown is seven days until his most important person disappears. What will happen with these two people if they fall in love on the last day?
