After Lev's grandfather dies he is introduced to his fathers estranged younger brother who was cut off when he came out to his family. The uncle has just married his lover and wants to throw a lavish party to celebrate and get to know his niece and nephew. He tells them to invite their friends who each need to bring a guest who is family by blood or otherwise. Multiple Anime Crossover A.U. includes Haikyuu, Given, Free, Yuri on ice, Fairytail, Black clover, My Hero Academia, Komi can't communicate plus many others NUMBER 1 IN GIVEN 10.01.23