Seems Too Much Water Can Kill You

Juvia was nineteen when she found out that she was going to die. One of the rare few of her people, she suffers due to the large amount of water in her body. In no more than two months, she is expected to fall into a coma of which she will never awake. The guild desperately search for a cure. But Juvia's illness worries a certain ice mage whose feelings grow stronger as Juvia's time grows shorter.