For a while, someone kept leaving a snack or trinkets on your desk, before you arrive at school. You're not sure who left it there.

What's left with the stuff was a note with words like, "Eat it, don't you dare waste", or, "You like these childish stuff, don't you?". On the corner of the note, is the letter S written.

Although, you have a bit of a clue of who it is- Your classmate, who sits behind you, but he acts cold around you though...

"Who gave you that?"

He says indifferently.