Louis "Rui" Amamiya

About

Louis is one of the main characters in Code Vein, and a Companion. Despite his young age, he is one of the Revenant leaders. He is also looking for and researching Blood Beads - a substitute for human blood - for a way to help Revenants that are suffering from bloodlust.

He is the younger brother of Karen Amamiya, and was once classmates with Cruz Silva.

(Source: Code Vein Wiki)