Professor's Body Thesis

Graduate student Shin Kang-Hyeok has his thesis stolen for years by his respected advisor Lee Jun-Tae. Kang-Hyeok, who is unable to protest to the academic community because of the professor's connections, accidentally discovers videos of all kinds of perverted acts on the professor's tablet and plans to use them as a weakness...

"From now on, I'm going to make you my slave, professor."

(Source: Mr. Blue, translated)

Note: Includes four extra chapters.