Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
One day, with the help of a mysterious device called a reactor, my daily life changed.
I realized that my past had been rewritten.
The main character set out on an adventure to recover his original self. What kind of future awaits him when he arrives!
There are more than 500 monsters that I can join!
I can ride the monsters that I have joined and run around the field freely!
Now, the world spreading over land, sea and sky, together with my fellow monsters, is an adventure!