"I'm sure." There's a brief pause, before Esteban turns to Kaiba, his smile a little gentler than his usual sunshine grins, but no less meaningful. "I'm certain," he repeats, letting his companion see his determination.

"There's lots of things I wanna talk to the train about," he explains a bit. "An'... I think-- I think we're alike. Me and it. Them." He's not sure what pronouns to use here, but he can't give up on it. He's messed up before, and he can recognize that. But the way it had called out to the lost tethers, mind shattering and emotions whirling through them--

Esteban can't give up on it.

"But let's get whatever you need first, mmkay?" he asks, brightening once more, even as his nose pinches in mischief. "B'fore I do somethin' that makes it mad again." He's not overly confident that he's going to stay out of trouble after all.

"So what d'you want me to go get first?" There's data that Kaiba and Senku wanted, right? Does he need Esteban to access any of it?