It might be due to an over - reactive immune system. When the immune system mistakes water or substances in water as harmful invaders, it triggers an allergic reaction. Another factor could be exposure to certain chemicals or toxins that have altered her body's reaction to water over time.
Well, the story of a girl allergic to water is quite a unique one. Her allergy would severely limit her activities. For example, she couldn't swim, which is a common and fun activity for many. Also, she'd have to be careful around any source of water. Maybe she has to live in a very dry environment. Her family and friends would also need to be aware and help her avoid water exposure. In school or at work, she'd probably have to inform others about her condition to ensure her safety.
Well, the plot could be about a character who discovers they are allergic to water. Maybe they live in a world where water is everywhere, like a water - based planet. Every time they touch water, they have an allergic reaction. It could be a journey of them trying to find a cure or a way to live in a world full of water.
The main character could be an alien. This alien comes to Earth but discovers it is allergic to water, which is so abundant on our planet. It has to learn about Earth's environment quickly to avoid water and find a way to communicate its problem to humans so they can help it.
It could be various things. Maybe he came into contact with something he's allergic to, like a certain plant or a new cosmetic.
Lack of sexual knowledge can be a cause. If a girl doesn't fully understand her own body and what pleasures it, it may be difficult to reach orgasm. For example, not knowing about the erogenous zones.
Well, some comics might feature a character who has to avoid cats at all costs because of their severe allergy. They might show funny situations where the character accidentally comes into contact with cats and the chaos that ensues.
When allergic to fleas, you might experience itchy bites and rashes. With mange, it's more about severe skin irritation and hair loss.
In manga, being allergic to love might show as avoiding romantic interactions, having panic attacks when approached romantically, or constantly pushing potential partners away.
In manga, characters allergic to love might show avoidance of romantic situations, fear of commitment, or constant denial of their feelings.