>>1011407
>What are they going for with that?
Reference for the older viewers, or nolstalgia pandering if you want to put it more cynically.
>What's the basic premise of this show
Tulip is stuck on a train with infinite cars, and has to find a way back home. She has a strange marking on her hand, with a number that changes from time to time, but she is unsure of how and why she got it, and what it's purpose and significance is.