After Toad was rejected by his crush, he left Rias' peerage and became an angel. He then developed feelings for his childhood friend, Irina Shido. She returned the same feelings and became Toad's girlfriend. When Rias found out, she was heartbroken. Overtime, Rias became obsessed with Toad and would do anything to have him. Any girl who try to flirt with him wound up getting killed by Rias. She made it her mission to claim Toad by any means necessary.