There was a bad boy, Tom. He rode a motorcycle and was always in trouble with the law. But then he met a sweet girl, Emma. Tom fell in love hard. He tried to hide his bad - boy life from her at first. However, one day Emma found out. Instead of leaving him, she helped him see a different path. Tom started to work hard, got a regular job and they built a life together. Their love story was one of transformation and acceptance.
Rebellion. Both the bad boy and bad girl often rebel against social norms, family expectations or authority figures. For example, they might skip school or go against traditional values. Another theme is passion. Their love is usually intense and passionate, not a calm and ordinary kind of love.
Well, sometimes in a bad boy and bad girl love story, a plot twist might be that they are both from rival gangs or groups. But instead of hating each other like they should, they start a secret romance. And then they have to figure out how to keep their relationship hidden from their respective groups. Also, there could be a plot twist where one of them decides to go straight and the other has to decide whether to follow or not.
Often, they either change for the better together and build a more positive life. For example, they might start a small business together using their street - smart skills in a legal way.
Growth. As they fall in love, the bad boy and bad girl usually grow as characters. In 'Kimi ni Todoke', Sawako, who was seen as an odd girl, and Kazehaya, a popular boy, both grow and learn from their relationship. They change for the better, leaving behind some of their 'bad' traits as they develop a deeper connection.
Conflict is also a major theme. Their personalities, which are often headstrong and independent as 'bad' characters, lead to a lot of clashes at first. However, these conflicts also add spice to their love story as they learn to understand and accept each other over time.
Another anime could be 'Ouran High School Host Club'. Haruhi can be considered a bit of a 'bad girl' as she doesn't conform to the school's elite norms at first. Tamaki is a bit of a playboy, a form of 'bad boy'. Their relationship develops in a really interesting and comical way throughout the series.
Common elements? Firstly, the bad boy has a certain charm that sets him apart. It could be his confidence or his disregard for the norms. Then, there's the conflict that arises from their different personalities or lifestyles. The girl might be from a more conservative background. There's also the growth aspect. As the story progresses, the bad boy grows and matures, learning to love and be loved. And most of the time, there are external obstacles, like rivalries or misunderstandings, that they have to overcome together to make their love story successful.
One common element is the contrast. The bad boy is usually very different from the girl he falls in love with, like in behavior or lifestyle. Another is the transformation. The bad boy often changes for the better because of the love he has for the girl. Also, there is usually an element of secrecy or forbidden love at the start as the girl may be hesitant to get involved with the bad boy due to his reputation.
It could be about a girl falling in love with a bad boy. Maybe she's attracted to his rebellious nature, his carefree attitude. For example, he might be the kind of guy who rides a motorcycle and breaks a few rules, but she sees something deeper in him.