YU-NO - A girl who chants love at the bound of this world

YU-NO - A girl who chants love at the bound of this world is a Japanese visual novel released by MAGES. It is a remake of a PC visual novel originally released by ELF Corporation. The game follows the story of protagonist traveling between worlds to find out the mystery of the disappearance of his parents.

Gameplay
The gameplay is much like other visual novels where the player makes choices to progress through the story. However, it utilizes a system called the "Auto Diverge Mapping System" which will indicate when a choice will make a difference in the story. The player can travel back to certain point by using one of the jewels to put a mark on the divergence map and can travel back to that point at anytime. This is similar to a save system. When traveled back to that point, the player can recover the jewel and make the choices against. Unlike saving and reloading, items obtained on certain paths can be taken to another using the jewel save.