Ryuji, the head of the legendary biker gang "Antoinette", is reincarnated in a different world in a motorcycle accident. As... a villainess!!!Ryuji is involved in the troubles of the house of Elsa, the daughter of the Tsochuarch family, and is about to be executed?An unprecedented Yankee villain princess who deals with a different world with violence, courage, and determination, is born here!!!