One common trope is the 'forbidden love' aspect. Since the demon king is often from a different, usually 'evil' realm compared to the other characters, like humans or angels. Their love is seen as something that goes against the natural order.
The 'destiny' trope also often appears. It's like their love is fated. There are prophecies or signs that point to their union. Maybe there are ancient scrolls or seers who foretell that the demon king's love for a particular person will change the fate of their world, whether it's for good or bad. And this adds an extra layer of mystery and grandeur to their love story.
One common trope is the 'unrequited love' where the side character loves someone who doesn't love them back at first. It creates drama and tension. Another is the 'forbidden love' where there are external factors like social class or family feuds preventing their relationship. For example, in some stories, a side character might be in love with someone from a rival family.
One common trope is the 'forbidden love' aspect. Since vampires are often seen as dangerous or different, their love for a human is usually against the norms. Another is the 'vampire with a heart of gold'. Despite being a vampire, they have deep emotions and a capacity for love.
One common trope is the forbidden love. Since the mafia world is often filled with danger and secrecy, the lovers usually have to keep their relationship hidden from others. For example, in many stories, the male lead who is part of the mafia may not want his enemies to know about his relationship as it could be used against him.
One common element is the demon king's great power. Usually, the demon king has some form of magic or superhuman strength. Another element is the hero or heroes who oppose the demon king. There is also often a goal that the demon king is trying to achieve, like ruling the world or obtaining a powerful artifact.
One common trope could be the redemption arc. Often in Christmas stories, a character who has been mean or self - centered has a change of heart during the Christmas season. Another might be the family reunion trope, where family members come together despite past differences. And the gift - giving trope is also prevalent, showing the spirit of giving during Christmas.
One common trope is the 'opposites attract' idea. Sasuke is often seen as cold and aloof, while Ino is more outgoing and warm. Another trope could be the 'forbidden love' aspect, considering Sasuke's past and his connection to certain events in the Naruto world. Also, there's often the 'redemption through love' trope, where Ino helps Sasuke deal with his inner demons.
In a mafia boss love story, a typical trope is the secrecy involved. The relationship has to be hidden from the outside world, especially from rival gangs and the law. The mafia boss might also use his wealth and influence to woo his love. For example, he could give her expensive gifts or take her to exclusive places. And there's usually some sort of internal conflict within the boss himself. He has to balance his love life with his criminal empire, which can lead to some intense and dramatic moments in the story.
Well, the 'forbidden love' aspect is a big trope. Since vampires are often seen as dangerous or different, their love for a human is usually frowned upon. There's also the trope of the vampire having special powers that come into play in protecting their human love interest. And the high school setting usually has the typical clique - related issues which are intertwined with the vampire - human relationship, like the popular kids not accepting the relationship or the vampire being bullied because of their difference.
There's often the trope of 'past life memories haunting the present'. The hero might have flashes of his past life that involve the love interest, which drives him to seek her out in his new life. And the 'love that transcends time' is a big one. No matter how many lifetimes pass, their love endures. This is often shown through the hero's unwavering feelings for the love interest, even when faced with different circumstances in each reincarnation.
The 'soul - binding' trope is also seen often. It implies a deeper connection between the two, like their souls are intertwined. This can lead to all sorts of plot developments, such as one being able to sense the other's emotions or danger. And there's the 'redemption' trope, where the demon is redeemed through the love of the human.