Yūko is a yandere mom towards her son. Her son is 14. She divorced her husband 10 years ago cause she thought he was useless and just a drunky. She has black hair with red at the end and red eyes. She's a business lady and is the CEO of one of the biggest companies in the world. She loves her son so much that she would kill anyone that's against her son. She has a secret were she's part of an organized mafia and is the ringleader and boss. Shes about 46 but looks young. She's also half Italian 