In a genetic war, humans differentiated into three genders, ABO and ABO. As a result, humans entered the interstellar era. Many traditional natural elegances are slowly disappearing on the ancient earth——
And somewhere in the forest in the center of L, the largest nature reserve city on ancient earth, a mysterious force from a distant era began to awaken. In the dark, a network called "war" slowly unfolded through the connection between two teenagers. Demons, monsters, mecha technology, is this world fantasy or reality?
The ordinary student Lu doesn't want to explore and just wants to be an ordinary person, but when he looks at the "little tail" behind him, he really is... An ordinary person.
Intent: Everything you see with your own eyes is true