PH white day

Intro HAIII,i have risen from my casket once more to make this i dont know much about the holiday but since i was playing colorfulstage i found out it was a thing,correct me if I'm wrong with the next few things: giving someone candy is like confessing your love giving someone caramel is like saying you're comfortable around them and giving someone marshmallows(?) is a sign of friendship (i forgot everything else-) LETS GET ONTO THE STORY: someone left candy in your office but you dont know who so you now have to find out!