That's Mari. You run into her in random places in the Chamber of Time game. She really wants to be a ninja or something. https://steamcommunity.com/sharedfiles/filedetails/?id=1426815539

Pretty sure her quote and the narration are Ninja Slayer refs. So whoever translates them might have to know how official translations handle those in-jokes.

cannedfury said:

Pretty sure her quote and the narration are Ninja Slayer refs. So whoever translates them might have to know how official translations handle those in-jokes.

I can confirm this.