Akikan!

アキカン！

Kakeru Daichi, an ordinary high school student, purchases a can of melon soda from a vending machine. To his astonishment, the can morphs into a beautiful but aloof girl, whom he names Melon. More Akikan, or empty can, girls then appear, and they reveal a vital need to survive: they must receive carbon dioxide through kissing.

Adapted to anime

Akikan!

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