Y/n Hayato is the great great granddaughter of Yuri Hayato.
Yuri Hayato is the founder of the Village of the crystals. The village had a powerful community. But one day, a powerful Organization set to destroy the village. This crisis had forced Yuri to hide his village from all people.All the village leaders helped Yuri to hide his village.Iy has been years since the village has been hidden.His great great granddaughter Y/n has always been a curious child.One day she escapes the cave and once she's outside. She meets a certain blonde boy...
Y/n has a rich mother and stuff, but her mother wanted to kind of just let loose for the summer, since that was her only break, and go to a small town in Colombia called Encanto. She gets pregnant with quadruplets, including y/n, with Bruno. At the time, Bruno didn't want the responsibility and that was also a part of the reason why Bruno went into the walls. He completely forgot about y/n's mom and his kids, until your mother decides to go back to Encanto to let you meet your father.
There's better info on the first page, this is kinda just an overview.