It could be that she faced a huge disappointment, like not getting into her dream school or losing a competition she worked really hard for. Also, heartbreak from a relationship gone wrong could be a reason.
Maybe she lost someone she loved deeply, like a family member or a best friend.
Maybe she faced a huge heartbreak, like losing someone she deeply loved.
One possible reason could be a deep emotional connection that has been severed. Maybe they had a fight or a misunderstanding that led to heartbreak. For example, if Yoongi had to leave suddenly for a long tour and the reader felt abandoned, it could lead to a very sad situation where both might cry.
One reason could be extreme emotional pain. Maybe he witnesses the death of a very close friend or loved one in the fanfiction world. This overwhelming grief could cause such a physical manifestation as crying blood.
She could have had a traumatic past. Maybe she witnessed a horrible event that made her shut down her emotions to protect herself.
In a girl heartbroken story, perhaps she had high hopes for something that didn't come to fruition. For example, she might have dreamed of getting into a certain school or getting a particular job and then was rejected. It could also be that she was bullied at school or in her social circle. Constant mean remarks and exclusion can really shatter a girl's heart.
Well, there are several possibilities. She might have gotten lost, or someone could have intentionally taken her. Another option is that she wanted to start a new life on her own and disappeared intentionally.
It could be a part of a creative writing exercise. If she is into writing, she might be exploring different and edgy themes for her stories. For example, in some advanced creative writing courses, students are encouraged to step out of their comfort zones and write about unusual or controversial topics to develop their storytelling skills.
Perhaps it was a side effect of some strange experiment. She might have been exposed to a new type of chemical or radiation in a science lab accident that caused her cells to contract slowly.
Maybe it's a curse. Some evil magic might have been cast upon her, turning her into a cat against her will.