Ichaaii's Manga

Mc lived in a family that didn't love her. One day she reincarnates into the World of her favorite novel as an extra. But she gets adopted by the crazy Duke or something. But she saves him and he like cherishes her. Then turns out her personal maid was like aiming for the dukes really special and powerful earrings. Also Mc is a beast man so she turns into a lizard and beastmen are looked down upon so she's been preparing to leave. She gets exposed by her nanny but ends up leaving out of fear. Then she finds herself with the future crazy Magician of the tower.

She's regressed to when she was younger. She's the 2nd princess of the royal family. Her family has a curse in which anyone who kills them will be cursed. She is a "bastard's child" and is called the cursed princess because of her black hair.

Mc fought with his ween sister and he like kinda killed him. But it was like funny u know like it's not on purpose. We actually don't know if she killed him. Anyways he gets Reincarnated as the cousin of the villainess and he's destined to die. He Reincarnated Into the game that his sister liked. Now he's trying to find a fate stone to bring him back