One possible theme could be redemption. Maybe the OC, despite being considered 'ugly' in some way, helps Tom Riddle see a different path than the dark one he ultimately takes in the original story.
Well, it can be a bit difficult to recommend directly as the 'ugly oc' concept is quite subjective. However, you could join some Harry Potter fanfiction groups on social media platforms. People there often share and discuss different fanfictions, and you might be able to find the 'tom riddle x ugly oc' ones among them.
One great 'Tom Riddle x OC Fanfiction' is 'The Dark Heir'. It delves deep into the relationship between Tom and the original character. The story has a great plot that shows how the OC affects Tom's journey towards becoming Voldemort. The character development is well - written, making it an interesting read.
In 'possessive Tom Riddle x OC fanfiction', the dynamic can be quite intense. Tom Riddle, being a rather complex and often dark character, his possessiveness can add an extra layer of drama. The OC character has to navigate this possessive relationship. Sometimes, it can lead to a transformation of the OC's character as she tries to either break free from Riddle's hold or succumbs to it. It can also be a vehicle for exploring themes like power imbalance and the allure of the dark side.
One common theme is the exploration of power. Since Tom Riddle is power - hungry, the male oc often gets involved in his pursuit of power in different ways, either as an ally, a rival, or someone trying to change him.
Character chemistry. In a good Tom Riddle x OC Fanfiction, the interaction between the two characters has to be believable. If the OC is just a passive character who is easily influenced by Tom, it won't be interesting. For example, if the OC challenges Tom's ideas and beliefs, it creates a more dynamic relationship.
Well, 'Bound by Fate: Tom and the OC' is a popular one. The OC in this story is a transfer student from a different wizarding school. When she arrives at Hogwarts, she immediately feels a strange connection to Tom. The story follows their journey as they come to terms with their soulmate bond. It has a lot of character development for both Tom and the OC, and the author's writing style is quite engaging.
One common plotline is the OC being drawn into Tom Riddle's world against her will. Maybe she stumbles upon his secrets and he then becomes possessive to keep her quiet. Another is a more romantic - yet still possessive - relationship where Riddle sees the OC as his and tries to isolate her from others. A third could be the OC initially being charmed by Riddle's charisma, not realizing his possessive nature until it's too late.
One great Tom Riddle x OC self - insert fanfiction is 'The Dark Lord's Heart'. In this story, the OC is a witch who accidentally stumbles into Tom Riddle's world during his Hogwarts days. It beautifully portrays the initial conflict between the two as the OC tries to resist Riddle's allure. Another good one is 'Riddle's Redemption'. Here, the OC has a unique ability that makes Riddle curious and their relationship evolves in an unexpected way.
One great 'Tom Riddle and OC Fanfiction' is 'A Darker Shade of Magic'. In this story, the OC is a powerful witch who enters Hogwarts during Tom's time. She challenges his ideas and there are a lot of intense magical duels between them. It's really exciting to see how their relationship develops from mutual suspicion to a strange kind of understanding.