Before F.R.O.N.D.E.R: Epilogue

Synopsis: Sergeant John Rigen from the USMC and both of his subordinates - Shizuka Hatano and Sarah Hatano from the US ARMY suddenly got to another world after an incident occurred on Sword Mountain - Virginia beach.
In this sequel, John has lost his memory and Hatano is now in charge, taking all the control from her commander, she was the one who made out the coup, the one who made John lose his memory.

During that situation, Warsaw Kingdom is about to have a conflict with Attenta Kingdom and its vassal states...the remaining time is about 5 months left.

This story's available on Wattpad, Scribblehub, Royal Road, Webnovel and the newly added app Inkitt.