Mashiro forces Yuri to train so that his spiritual powers appear. After being taunted by Ameri, Mashiro decides to attend school as a human under the guise of Yuri's distant relative and wife. He then meets Kisaragi Mifyu and his step sister Miyyu at school. Kisaragi tells them that she suspects Yuri and that she is responsible for Mashiro's exam as a prefect. Mashiro scores the highest possible marks in all the subjects and is instead admitted into flawless which is an all-girls boarding school even though she wanted to be with Yuri...