Adult PC Game: M.C. -trois Final by define Archive

One day, the protagonist discovers an old note on hypnosis experiments.
To his surprise, alongside a keyword used to put subjects into a hypnotic state, he finds the name of his female teacher.
After inquiring about hypnosis and encouraging her to try to recall what it might feel like, he pronounces the keyword.
From this point forward, will he attempt to make her his lover, or a slave?​