Dunamis 15

Dunamis15 uses a game system called "multi site system," which has the player switch off between main characters depending on where their player is in the story. Time in the game will loop, so the player will end up experiencing the same story repeatedly. The player will need to follow the proper route in order to escape from this loop.

The game has five chapters, each told from the perspective of a different main character.

Dunamis15 is set in a world slightly in the future where a nuclear explosion has caused genetic mutations. All the students at Ceres Academy are clones who were created as materials for cloning technology research. Certain events that transpired caused the students to rebel.

Tōgo Takatsuki is leading a boring life at Ceres Academy, located on an isolated island called Dunamis Base. One day, while rushing to class after having overslept, Tōgo stumbles upon a mysterious girl in the school hallway. This brief encounter then changes Tōgo's life forever.