Gagged rape training special edition

Yu is a beautiful wife who lives with her husband who often travels. He is targeted while drinking at the bar and is kidnapped by the bar owner. He is gagged and handcuffed, and is confined and trained in an iron cage. The beautiful wife's spirit gradually collapses as she plucks unclothed saliva from the gap between her gagged spaces, causing her to moan as she is raped...and gradually Yu feels pleasure from being raped, and her heart is controlled and trained to become a masochistic slave...