Overview:

A convenience store is in financial trouble! Is it because of shoplifting girls?
The protagonist is the manager of a convenience store, and although the store attracts a good number of customers, for some reason sales are not increasing.
The store has suffered mysterious losses due to repeated loss of merchandise. Yes, this is “shoplifting”.
The store manager has an idea who the culprit is. He suspects that Yuna, a girl who frequently visits the store, is a shoplifter.
At first glance, Yuna seems like a serious and quiet girl, but there is a certain situation…