My beloved girlfriend has been brainwashed and corrupted by the leader of a cult, becoming a sex toy for believers. (Yura Kana MKON-102)

My girlfriend, Kana, whom I was dating for the first time, came to my house. A large picture of the cult leader hung in the living room, and I was told that everyone in my family except Kana was a fanatical believer. Although it seemed obvious, my love for Kana didn't change. We started to feel closer, when Kana's brother came home. "We have an important ceremony to perform, I'm sorry I might not be able to go home today," he said. Although I hadn't interfered with my family's faith, I decided to go home anyway. But what exactly was this "ceremony"? For some reason, I felt uneasy…