What could be the reasons for a girl having a stomach ache and farting in stories?

Well, one story could be that a girl ate too much junk food at a party. She started having a stomach ache later. As her stomach was in discomfort, she couldn't hold in a fart. It was really embarrassing for her, especially when she was around her friends.

The stomach ache in hentai manga might be a result of emotional distress. Characters might experience anxiety or tension that affects their digestive system. It could also be because of a sudden change in diet or a strenuous activity they engaged in.

In some fanfictions, Draco might have a stomach ache because of a potion gone wrong. He could be experimenting in potions class or secretly trying to make some dark potions on his own. If the ingredients are not measured correctly, it can lead to all sorts of physical discomfort, like a stomach ache.

There was a girl who was really stressed about an upcoming exam. This stress caused her stomach to ache constantly. She tried relaxation techniques like deep breathing, but it didn't go away completely until the exam was over. It was a clear case of how mental stress can have physical effects on the body.

A girl may have a pale white stomach if she is constantly stressed. Stress can affect the body's hormonal balance and blood flow, which may lead to paler skin. Also, if she has a genetic predisposition to having fair skin in that area, it will be pale white. Moreover, if she recently recovered from an illness, especially one that affected her digestive system, her stomach might look paler as the body is still in the process of fully recovering and getting back to normal blood flow and pigmentation in that area.

One possible fanfiction could be about a boyfriend who has a stomach ache because he ate too much junk food at a party. His partner takes care of him, making him warm tea and getting him a heating pad. They spend the day cuddling while he recovers.

Maybe he ate something bad and it upset his stomach.

There could be many reasons. Maybe she ate something bad like spoiled food. It could also be due to stress or anxiety which can often affect the stomach.

Maybe she ate something bad or has a flu. That could cause a stomach ache.

One possible reason could be indigestion. If a girl eats too much junk food or something that doesn't agree with her stomach, it can cause pain. For example, consuming a large amount of spicy food might irritate the stomach lining.