"That's the fun of it!" Madoka can't help but remark. Though she does agree with Ple Two, really - they should at least put some nutricious stuff in there. And a good balance of ingredients.

"It's all about the surprise of what you'll find. Especially here on the train, right?"

Since they're kind of at the mercy of whatever the train decides to give them during any given month. And the kindness of some other passengers in sharing food they've bought or gathered.