A popular trope is the 'kidnapping for love' aspect. In many 'yandere x reader lemon fanfic', the yandere character might kidnap the reader because they believe it's the only way to have them. Also, the yandere's over - the - top declarations of love, which are often a bit on the creepy side but add to the unique flavor of this genre.
The transformation of the reader's feelings can be a trope. At first, the reader may be scared or resistant to the yandere's advances. But as the story progresses, through the yandere's actions (which can be both good and bad in their extreme ways), the reader may start to develop some complex feelings towards the yandere.
There's 'Yandere Demon x Reader' which often has a dark and alluring plot. The demon's yandere tendencies are amplified by his otherworldly powers. Another one is 'Yandere Mage x Reader' where the mage's magic is sometimes used to control the situation with the reader. And don't forget about 'Yandere Knight x Reader' where the knight is sworn to protect the reader but his yandere nature takes it to an extreme.
In this type of fanfiction, a common trope is the yandere prince's single - minded devotion to the reader. He will put the reader above all else, including his own kingdom sometimes. The prince may also have a dark side that only the reader gets to see. This can add an element of mystery and danger to the relationship. Another trope is the idea of the reader being an outsider in the prince's world, which makes their relationship even more complex as the prince tries to fit the reader into his life while also keeping them all to himself.
One popular trope is the 'protective Mikasa'. Since she is a strong character in the original 'Attack on Titan', in the fanfiction, she might be extra protective of the reader. Another trope could be 'forbidden love', considering their different backgrounds perhaps. For example, if the reader is from a different group than Mikasa's.
Another trope is the 'damsel in distress' where the reader gets into some sort of trouble and Damon has to come to the rescue. But sometimes this trope can be flipped, and the reader ends up saving Damon instead, which is an interesting twist.
One popular trope is the 'stranger to lovers' trope. In many 'Link x Reader Fanfic', the reader character starts as a stranger to Link, and through their shared adventures and experiences in Hyrule, they fall in love. It's a classic and always makes for an interesting read.
One popular trope is the 'adventure companion' where the reader character joins the Dragonborn on their quests. Another is the 'forbidden love' trope, perhaps between the reader and a certain character like a Thalmor agent in a world where such a relationship is frowned upon. And then there's the 'mysterious stranger' trope where the reader character arrives in Skyrim with a hidden past or special abilities that intrigue the other characters.
The 'rivalry - turned - love' trope is quite prevalent. At first, the futa and the reader might be rivals in some context, like in a competition or a battle of wits. But as they interact more, they start to fall in love. And then there's the 'redemption' trope. The futa character may have made mistakes in the past, and the reader is involved in their journey of redemption.
One popular trope is the 'enemies to lovers'. It could start with Abby and the reader having some sort of conflict or misunderstanding, and then gradually falling in love as they get to know each other better. Another is the 'hurt/comfort' trope, where the reader might be in a difficult situation and Abby comes to their rescue and offers comfort.
Some fanfics use the 'redemption' trope. Bowser might start off as his typical villainous self, but through his interactions with the reader, he begins to change for the better. There's also the 'mysterious stranger' trope where the reader is new to Bowser's world and he is intrigued by this unknown entity, leading to their relationship developing.
One popular trope is the 'Training Partner' where the reader becomes Goku's training partner. They start off as someone Goku helps to improve their fighting skills, and a relationship blossoms during the intense training sessions. Another is the 'Saved by Goku' trope, where the reader is in danger and Goku swoops in to save them, which then leads to a deeper connection. There's also the 'Power - up' trope where the reader somehow gains power with Goku's help and they go on adventures together.