OVA 1: Welcome to Fairy Hills!! Fairy Tail : Season 5 Episode 52

Lucy notices a mysterious hand-written request in which the client is looking for an object located in Fairy Tail's female dormitory, Fairy Hills. To ensure that the job is not a prank, she goes to verify it. Once she reaches the dormitory, she learns that the client is Hilda, the dorm's head, who asks her to find a "shining treasure" while wearing an embarrassing cat outfit.