Crimson Girls: Chikan Shihai(2012)

Crimson Girls: Chikan Shihai is an adult anime series following a vigilante duo who patrol trains to protect women from sexual assault. When Mitsu, one of the two protectors, encounters a man with an unusual ability to control women through touch, she becomes his target. After he and his associates trap her and assault her at a hotel, Mitsu falls under his influence. With one Crimson Girl compromised, the man sets his sights on Saki, the remaining member of the team. The series explores themes of power, vulnerability, and the consequences when protectors themselves become prey.