When Takumi and Gui hear an odd sound in the science lab late one night, they discover a photograph that leads them to a mystery involving the school clock tower. Is the school haunted by a vengeful ghost? Or is someone hiding a dark secret? And when the couple spends their first Christmas together, will Gui play the role of Santa and fulfill all of Takumi's desires?
Story by Kazumi Ohya and Art by Shinobu Goto.