Hi, My name is Hayden Baruz aka TechnoMaster! Can I just say out of all the Beastars fandom stories I read, yours is very equal to them:
Very Good!
The sister with Legoshi sounds like something that should happen in the anime or manga
Anyway, I should point out I am an idea giver meaning I will give you suggestions on how to make your story interesting and hopefully will give you more interested readers.
P.S As many people are saying “When will you finish your amazing work?”