Introduction Three minutes later, my future is decided. Three years later, you came to save The strange disease "Yume musical score syndrome (Dee score · syndrome)" occurred in the year 2021 AD. An infected person will surely be aware of his / her consciousness for "three minutes at a certain point in time". Whether walking or driving, a pandemic that can not escape whatever you do is happening at the same time and the world got into great confusion. Leos who got sick at the age of 14 find themselves in the future who knocks down and destroys people indiscriminately in London. Three years later, a girl who appeared "to kill you" appeared before Leo chasing the mystery of Yume musical score syndrome .... Source: Amazon.co.jp