- Rin found a hand-drawn map in his drawer which showed a special hidden place in his neighborhood
- Rin and his friends then discovered an abandoned chest in that hidden location
- Their action turned out to become a terrible mistake and caused many consequences
While searching behind his desk drawer, Rin finds a hand-drawn map of his neighborhood with a big X marking a specific spot. He doesn't recognize it, because he must have drawn it a long time ago, but he's curious to see what he marked with that X. Three childhood friends join him, and they discover an abandoned chest of drawers at the X location. Wondering if there might be something inside, Rin pulls open the drawers and unknowingly unleashes a horrific chain of events...
| Serialization | Wings |
| Published | 2007 |
| Last Updated | July 21, 2017 |
| Other names | ヒキ |
