Oliver

Roy and Riza have a son, named Oliver whom they have hidden from the world. Oliver has grown knowing that Roy is his father, but he never got to know about his mother. When Riza decides to reveal that she is his mother, something terrible happens. Meanwhile, someone in Drachma is finally stepping into Amestris with his deadly army, now that he knows Father is dead.

Find out, whether Oliver will ever know, who is his mother. And will Riza ever get to listen, the word "Mother" or "Mom", from her son's mouth. And what has Father left behind, which can bring down his own legacy. And what is the role of Oliver in all these events. Is he the key to save Amestris or is he the doom?