Kasumi city. A city where young people are, just like public companies, listed on a market called RELEASE and have a market value. Their future prospects decide their value; Those with great academic and athletic skills have a higher market value. They're also given a platform to advertise themselves on. One day, in that same city a certain incident occurs. A mysterious app is installed on people's devices, and the whole city turns into a battlefield. A battle to defeat others and steal market their value has begun. Yuusuke who suddenly gets involved in this whole deadly game of tag is rescued in the nick of time by his classmate and the girl he just started dating - Marie. The girl who's usually all alone and rebels against the system that is RELEASE. But who is she really and what is this death game?

The birth of an anti-heroine and a school fantasy never before seen.