Your whole heart is swallowed up - the private Ōmori Gakuen where the elite beastman Alpha attends. Yuu Ōtani of the Hominion Omega was the school's only Omega scholar. He wore a chastity belt and during estrus, he was directed at the desires of the Alphas as a living bait for "Estrus Endurance Training". Before such a evening, the dormitory master, the lion scion of the lion tribe, Mikimoto Shio, appeared... A very popular novel, the long-awaited comicalization! A disparity omegaverse story unfolds in a boarding school.