Harukanaru Toki no Naka de 3: Unmei no Labyrinth Aizouban

The Genpei War ends with the signing of a peace treaty, and the main characters emerge victorious after defeating an ancient evil in the contemporary world. The power to travel across time allows the protagonist to enjoy their winter holiday. However, she begins to suffer from unexpected memory loss, and Hakuryu cannot return to the parallel world since it has been sealed off by a labyrinth constructed using magic. In the hope of bringing everything and everyone back to their original state, the protagonist and her allies set out to discover the maze’s hidden passages and puzzles.