Akikan!

Akikan! (アキカン!, lit. Empty Can!) is a Japanese light novel series about a group of anthropomorphic drink cans who do battle. It was created by Riku Ranjō, with illustrations by Hiro Suzuhira, known for her artistry in Shuffle!. The first novel was released on May 24, 2007, and as of April 24, 2009, eight volumes have been published by Shueisha under their Super Dash Bunko label. A manga adaptation began serialization in Ultra Jump on October 18, 2008, an anime adaptation began airing on January 3, 2009. On December 22, 2008, an early release of the first episode was streamed on the internet through Bandai Channel. On the day the final episode aired on March 28, 2009, an Akikan! OVA followed on October 23, 2009. At Anime Weekend Atlanta 2011, Sentai Filmworks announced that they have licensed both TV series and OVA and was released in 2012.

Story

Akikan (”Empty Can”) is the unlikely story of high school boy Kakeru Daichi, whose can of melon soda magically transforms into a human girl. More "akikan" girls begin appearing, each of them needing to be infused with carbon dioxide from their respective drink types to survive. The akikans were created as part of the 'Akikan Elect' to determine whether steel cans or aluminium cans are superior. The akikans must battle each other until only the strongest type is left standing.