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. She however attends the school when Yuri promises to train even in Mashiro's absence. Mashiro is welcomed at the school at first but when the students notice Mashiro's ears and tail, they are freaked out and so they hastily run away, saddening Mashiro.
泉戸家に居候の身となったましろは、人間と太転依の共存を実現するために精力的に動き出した。逃げ出した太転依に対抗できる裕理の能力を伸ばす修練を始めたり、見聞を広めるために裕理と同じ学校へ通うことを希望したり。運よく、裕理の父の裕導のはからいで創聖学院の編入試験を受けることになったましろは、裕理と共に学校へと向かう。初めて乗るバイク。何もかもが初体験で興奮するましろに、裕理はただ見惚れてしまうのだが…
