Harukanaru Toki no Naka de 3: Unmei no Labyrinth

The Genpei War ends with a peace treaty, and Nozomi (protagonist) along with the Hachiyou, Saku and Hakuryu have defeated Dakiniten within the modern world of Kamakura. However the Loophole of Time unable to opened, causing the comrades from parallel world of Heian era unable to return home. They decided to investigate the cause while Nozomi and Yuzuru return to their school life and the comrades from parallel world growing accustomed with modern world

Winter break is coming. Nozomi, Yuzuru and Masaomi decided to hold their annual Christmas party but now with their comrades, however several strange things happened around Kamakura and an Onryo appeared. After they defeated the Onryo, a mysterious door appeared, leading to a labyrinth. They decided to explore and unravel the mystery about this mysterious maze.