Maybe Evan gets sick from a contagious disease in the fanfiction. As he spreads it unknowingly to some of the people around him in the 'Royal Pains' world, there is a panic. The story could then focus on how they all deal with the epidemic - like situation, trying to find a cure and contain the spread. It would be a plot full of action and drama as they race against time.
The plot could involve Evan getting sick suddenly. His symptoms might be strange, like a high fever combined with an unusual rash. This would immediately cause concern among his friends and family. They would try to take care of him at home first, but as his condition worsens, they realize they need more professional help.
One possible scenario in this fanfiction could be that Evan's sickness is a mystery illness. Maybe the other characters in 'Royal Pains' start to worry and try different ways to figure out what's wrong with him. They could call in all kinds of specialists, but no one can seem to diagnose him right away. This would create a lot of tension and drama in the story.
Obviously, Evan would be one of the main characters since he's the one getting hurt. His brother Hank would also play a crucial role. Hank, being a doctor, would be the one to treat Evan's injuries and provide the necessary medical care. Divya could also be involved. She might be the one who discovers Evan after he gets hurt or helps Hank in coming up with a treatment plan.
In a more complex storyline, Evan could get hurt as a result of some sort of conspiracy against the medical practice. Maybe someone is trying to sabotage the hospital and they target Evan as he is often involved in the administrative side. They set up a situation where he is exposed to a harmful substance or gets physically attacked, which then leads to a long journey of recovery and uncovering the truth behind the attack.
Maybe Sonic's friends will take care of him. They could bring him medicine and make sure he rests. For example, Tails might use his inventions to find a quick cure.
Maybe Kenichi gets sick just as a big tournament or important event is about to happen. His team has to decide whether to participate without him or wait for his recovery. This creates a lot of tension and internal conflict within the group.
Well, the plot could involve Robin's friends rallying around to take care of him. Maybe they bring him soup and keep him company while he's in bed recovering.
Well, one possible plot could be that Elsa's sickness is a magical ailment. Maybe she got it from using too much of her ice powers at once. Her sister Anna would then be worried sick and try to find a cure. She could search all over Arendelle and even beyond for someone who can help Elsa get better.
In the 'bendy gets sick fanfiction', perhaps Bendy has caught a strange illness that is affecting his ability to draw or create. His friends then embark on a journey to find a cure. They might face various obstacles along the way, like dark creatures or tricky puzzles. They'll have to use their wits and friendship to help Bendy get better.
Well, perhaps in the fanfiction, Kagome's sickness is a result of some dark magic. Her getting sick could be a part of an enemy's plan to stop her from interfering in their evil deeds. Her friends then have to not only deal with her illness but also figure out who is behind it all and stop them before it's too late.
Maybe Rigby catches a strange flu. His friends try to take care of him but keep making things worse in a comical way.