Seto smiles a little, touching the place on his chest where the locket usually hangs.

"That was the work of the people on board...I've been forced to adapt heavily since arriving here, to being part of society. But I can show you something you probably haven't seen."

He jumps out of the water, hastily wraps the towel back around his shorts, and scrambles over to his pile of clothes. Inside, he grabs the familiar object, cracks it open...and shows her his most precious picture.

(There's also a picture of himself and Yugi Mutou dressed in rather silly neon onesies right next to it, apparently taken in the gym car, but that's not important right now.)

"Family is important to me...and that includes you now. So if there's anything I can do to help you on missions, call me."