Bio Zero-one

After Y/N defeated Ark and Horobi of Ark scorpion. Y/N is trying how to bring Izu back. However, there was a message that came from his grandfather. Y/N wants to know what happened to him or his grandfather wasn't alone, however, that Ark survived by the inside the Ark Progrisekey. That Horobi did destroy the Ark driver but didn't destroy the Progrisekey.

Y/N's grandmother sent her grandson to his grandfather's lab he looks the old files that he saw his grandfather's device can go to another world and the S.U.F/S.H.F. And now a new threat has come and now it up to Y/N and new friends and stop this war.