PaS 1: Who's The One Under The Hood?

You we're going to your own way (or you're lost somehow in the place) when you suddenly see a paper glued to the tree that says: "Are you a lost variable? 'I' can help!", but instead of the letter I, a picture of a yellow uppercase alive letter is there instead.

You, not worrying about that or anything else, took a piece of paper that said "Take one!", even though it looked suspicious to you, but you brushed it off for some reason.

Far away from the tree, I (yes, that's literally their name) we're sleeping on their chair until they we're woken up by you taking a piece of paper (or, what they call, a 'slip').

I: "Someone... took a slip? Well, i'd better go greet them, then!" They said to themselves before they stand from their seat and started walking to the location of their advertisement paper (yes, the paper you saw was their advertisement of wanting to take care of you).