Sometimes, in these fanfics, the focus could be on how Bakugou's sickness affects his relationship with his family. Maybe his mother comes to take care of him and they have some heart - to - heart conversations that show a different side of their relationship.
In some fanfictions, the villains might take advantage of his sickness. They could try to attack him when he's weak. But of course, his friends will be there to protect him. His sick days could also be a time for him to reflect on his life as a hero - in - training. He might think about his relationships with his classmates and how he can improve himself once he gets better.
One common plotline could be Deku trying to hide his sickness from his friends at U.A. High so as not to worry them. He might keep pushing himself during training, which could lead to him collapsing eventually. Another could be his friends finding out about his illness and rallying around him to help him get better, like bringing him home - made soup and study notes so he doesn't fall behind in class.
One common plotline could be the other turtles trying to take care of Leo. They might struggle to figure out what's wrong with him at first. For example, Donatello would use his scientific knowledge to run tests. Another plotline could involve Leo being stubborn about accepting help while he's sick, thinking he can still lead and protect the team even in his weakened state.
One common plotline could be the other turtles trying to take care of Donnie. They might struggle with understanding his illness at first. For example, Mikey could try to make his favorite pizza to cheer him up but Donnie doesn't have an appetite. Another could be Donnie trying to work on his inventions even while sick, which might make his condition worse. And perhaps there's a search for a cure within the sewers or with the help of their human friends.
Perhaps Mikasa gets sick right before a big battle or important mission. She is determined to still participate, but her body won't allow it. This causes her to feel frustrated and guilty. Her comrades then have to step up in her absence, and she has to watch from the sidelines as they face danger. Meanwhile, she focuses on getting better so she can rejoin them.
Often, in such fanfictions, his sickness might be a part of a bigger plot. Maybe it was caused by an enemy's curse. So, while he is sick, his friends are also trying to figure out who is behind it all. And his relationship with other characters might change. Like, a female character could develop deeper feelings as she takes care of him, showing a different side of their relationship.
One common plotline could be that she gets hurt during a battle with a monster. Maybe she's trying to protect her friends and underestimates the enemy's strength. Another could be an accident during a quest, like falling from a great height while climbing a dangerous structure. And sometimes it might be due to a betrayal within the group she's with, where someone she trusts accidentally causes her harm.
One common plotline could be a couple who has been trying for a long time to get pregnant finally achieving it. For example, they might go through various fertility treatments and then have a happy ending with a positive pregnancy test. Another could be an unexpected pregnancy that throws the characters' lives into chaos at first but then they gradually adapt. And sometimes it involves a single character who decides to have a baby on their own through artificial insemination and then the story follows their journey of pregnancy and preparing to be a single parent.
A possible plotline is that Ash gets a mysterious illness that affects his ability to communicate with his Pokémon. This causes chaos among his team as they don't understand why he's acting differently. Meanwhile, Team Rocket might try to take advantage of Ash's weakened state but end up having a change of heart when they see how sick he really is.
Perhaps Bakugou gets expelled due to his attitude problems. He might have continuously bullied a fellow student to the point where the school can't overlook it anymore. His explosive temper could lead to him saying or doing something really offensive to a teacher or a large number of students, which would be against the school's code of conduct.