After separating at Oaklum, Riko travelled to the place where the 'Drift City' once was.
To know more about Alverto and to investigate more ways to fight him, Riko has put in a lot of effort.
If it was only about her younger brother, Riko could have still been helped, and she wouldn't necessarily have walked on the 'Path' of Revenge.
But the incident with Zach left a massive impact on her.
She was just recovering from her depression and had started to see the image of her dead younger brother in Zach, but her reality was shattered once again right in front of her eyes.
She watched it all happen with her own eyes.
As she watched helplessly, both people who were close to her die in such a miserable way, she lost herself to the 'Path' of Revenge even if she didn't want to.
In the past year or so, Riko joined a world alliance-affiliated information-gathering secret organization via a chance encounter.
