Well, it could be about Cerberus getting into some crazy trouble in the mythological realm. Maybe Cerberus accidentally lets some minor demons escape and has to go on a wild chase to catch them all back. This could lead to all sorts of comical and adventurous situations as Cerberus tries to fix his mistake.
A 'crazy trouble Cerberus' fanfic could also be about Cerberus getting lost. He strays from the underworld and ends up in a strange part of the mythical world. He has to find his way back home while facing challenges like getting past magical barriers, dealing with unfriendly spirits, and trying to remember the way back to the underworld gate.
The plot could revolve around Cerberus being tricked by a mischievous god or goddess. They make Cerberus believe that there's a great danger approaching the underworld, so Cerberus goes on a frantic search. Along the way, he meets different mythical creatures and has to deal with their strange behaviors while realizing he's been fooled.
One way is to focus on Cerberus as a protector. For example, Cerberus could be protecting a group of young, innocent spirits from an evil force that wants to harm them. His 'crazy trouble' could be all the different tactics the evil force uses to try and get past Cerberus, but Cerberus is always one step ahead.
In a fanfic, the crazy trouble with love could be unrequited love. One character might be deeply in love with another who doesn't feel the same way, leading to all sorts of heartache and drama. For example, they might constantly try to win the other's affection, but only face rejection and disappointment.
Another plot could revolve around the protective powers or special energy that might be associated with Kushina's womb in a more symbolic way. For example, Naruto could have some pre - birth dreams where he senses his mother's love and strength through this connection, and these dreams could later influence his character development as he grows up in the ninja world.
Perhaps Hinata tries to seduce Sasuke with her kind heart. She might start helping out around the village in ways that Sasuke notices. Like she volunteers to take care of the injured ninjas, and Sasuke sees her selfless acts and starts to be intrigued by her. It could be a story of her slowly breaking through his cold exterior with her good deeds.
A possible plot could be that Fem Haku is in a situation where she is wrongly perceived as a slave, but in fact she is on a secret mission. Naruto discovers this misunderstanding and decides to help her prove her true identity and purpose. They then form an alliance to face common enemies in the Naruto world.
Perhaps there could be a fanfic where a new werewolf arrives at Hogwarts. This werewolf is from a different wizarding school where they were shunned because of their condition. At Hogwarts, they meet Professor Lupin who takes them under his wing. Together, they work on a project to create a new potion that could ease the pain and transformation process of werewolves. Along the way, the new werewolf makes friends and learns the true meaning of acceptance within the Hogwarts community.
Perhaps there could be a story where a new character arrives in Neverland who is already pregnant from her previous world. Peter Pan and the Lost Boys initially don't understand what's going on. But as the story progresses, they learn about the concept of pregnancy and become very protective of her. They help her build a safe place to stay and prepare for the new arrival, all while exploring the differences between their world and hers.
One possible plot could be that the girl is lost in a mythical realm where Cerberus guards. At first, she is scared of Cerberus, but gradually, through some kind of magic or special connection, Cerberus becomes friendly towards her and gives her a lick as a sign of acceptance.
Maybe it's a story set in a parallel universe where there are different cultural norms. In this universe, a 'hickey - like' mark is a sign of a magical bond. Harry and Hermione accidentally create this bond during a dangerous spell - casting session. They then have to deal with the consequences of this new bond, which includes the mark on Hermione's neck. Their friends are confused and they have to explain that it's not what it seems. They embark on a journey to break the bond if they choose to, or learn to live with it in a platonic way.
One interesting aspect could be the exploration of complex relationships. Even without the 'dirty' part, the 'crazy ex - girlfriend' theme can lead to stories about how past relationships impact a person's present and future. It might show different ways of dealing with heartbreak, growth, and self - discovery.