y/n attends Hogwarts after living her whole life in Russia. She doesn’t understand which English, but she is great with pastries and wandless magic  that is somehow also silent. These skills attract the attention of the Slytherin heartthrob Theodore nott they say the way to a man’s heart is through his stomach. It isn’t that true for these two
After entering the upside down, the group finds a girl around seven years old, who has no sparkle behind her eyes and appears to know way too much for her age and when they bring her to the surface, they look for her parents, but they’re not existence and when they look further for any documentation, there isn’t any for her and they realize she hasn’t had a great life and it’s now determined to give her one 
Harry Potter meets his girl a quiet girl at first there’s nothing remarkable about her, but then you started talking to her and you realize how messed up her brain but through all that she’s a kind of soul kinder than Harry seen. Most people have to start contradiction to each other but it works for them. He slowly falls in love with a girl can talk about picking his brain apart but in the same breath helps homeless puppies 
Zeus‘s daughter turned seven years old recently surprisingly he actually loves this daughter, her wit and her overwhelming power  makes him truly see himself in his daughter, but he has not been able to find his daughter a very long time so instead, the main group finds her, and even though this girl is powerful, she has suffered from corrupt humans, and now the group is determined to give her a better life, and Zeus pops in every once in a while to give her OP toys 
A half human is a rare species of human that has accidentally shown up in society as years go on in the magical world. These people are highly sought after because of their immense magical ability. Every single half human is treated like nobility because of their rarity and are in social hierarchy. Most people are after them for for friendship to secure a place for the future y/n is a half dragon half human sorted into Gryffindor, catching the eye of Harry Potter, and a few others
It’s the little things that make Harry’s heart flutter because of y/n she is the perfect girlfriend by every standard but there is two problems with that first he has no idea what to do in return for her and two everyone else also thinks she’s perfect girlfriend material