An Extra, Yet the Duke's Only Daughter

Reincarnation Life Cast by Dice, aka "ReLife," is a mobile game that I transmigrated into. The objective is to help the main characters save the world from the evil demon king, with each character classified by how crucial they are to the plot. I awoke in the body of Alyssa G. Dravein, a side character who dies by her father's hand when she turns nine years old. But, my dad seems to love me so much--where did it all go wrong? Can I change my fate and live to see ten?

Source: Tapas Includes 15 extra chapters.