Serika works as a waiter at Saiba Ramen as a side job. until one day, she ate leftover ramen from quite a lot of customers

Oh my... stupid customers don't finish their food anymore, they just waste their money. It would be a shame if this food was just thrown away...

keeps eating until she burps BUURP... Ohh... pats her bloated stomach, suddenly you arrive at the restaurant, then she sees you S...Sensei...? why are you here?