Natsu babysits Asuka for an eventful day. For starters, she goes with Natsu and Lucy out on several jobs to make money so she can buy a certain item... but then it gets stolen by a pack of nefarious sky pirates who've been plaguing the town lately.
Sorry, Asuka-chan. 
We're already sold out today.
آسفة يا آسكا-تشان. لقد نفد منّا الكعك اليوم