Tony's Heroine Series: Kanojo wa Hanayome Kouhosei? Cinderella Collection

According to legend, the future wife of the heir should be the girl who will have an unusual sign on her neck during orgasm... Now Tony Take has to choose a wife, but the problem is that there are many girls, and only one of them will have a true bride. There is only one way to find out which girl is destined to become his bride.