Now Hikaru will have to host another inter-galactic entity within her. Now the interstellar mass-murderer "Maelstrom" has settled inside her along with Horizon. But this completely new life-form not only has brought less privacy into Hikaru's life, but it may have changed the direction of evolution itself. As if sensing the earth's unusual state, a new existence proclaiming itself "the moderator" suddenly appears in front of Hikaru. According to him the earth is about to attempt a "macro evolution" in extreme chaos, so that he needs to correct the process in case that it causes disorder of the universe.
