A female college student reincarnated in another world is trained by a succubus. A college student warps through time and space to a fantasy world. The woman who has been reincarnated as a black knight is judged to be an enemy and attacked. She is overwhelmed by magic, becomes unconscious and is imprisoned. Even though she begs for her life, she is tied up in an obscene outfit without any explanation, treated as a traitor and subjected to lewd interrogation. Her sensitive nipples are teased, a rope is clamped between her slits, and she squirts multiple times while having a female orgasm with a knotted rope roll! A lewd mark is engraved on her by a spell, and she is given an aphrodisiac enema, turning her into a succubus!