Akikan!: Kan Ippatsu!? Onsen Panic
English name: Akikan! OVA
Genres: Comedy, Ecchi
Type: OVA, Episodes: 1
Aired: Oct 23, 2009
Studio: Brain's Base
Source: Light novel
Rating: R+ - Mild Nudity
Synopsis:
The story revolves around a typical high school boy named Kakeru Daichi and the can of melon juice soda that he bought from a vending machine. The can suddenly transforms into a beautiful but standoffish girl that Kakeru nicknames "Melon", and more "Akikan" ("empty can") girls appear. However, Akikan girls need to be infused with carbon dioxide in order to turn into a human.

(Source: ANN, edited)