Mahou Shoujo Nante Mou Ii desu kara.

A young girl named Yuzuka Hanami, who has few friends but possesses great ability, encounters a mysterious creature called Miton while it searches through a trash dump. Miton claims she has the potential to become a magical girl and appears highly suspicious. Yuzuka is then unexpectedly transformed into one, only to find herself dressed in a swimsuit. The manga includes two additional chapters beyond the main story.