PINK-004 — Dan Oniroku Lewdness

Junzo has an ordinary, peaceful family life, but frequents SM clubs with his young mistress, Tomoko. One day, a man named Nakamura appears before Junzo, asking him to teach him the "secrets of true sadism." Nakamura looks up to Junzo as his teacher and gradually becomes close to his family. However, Nakamura's sadistic schemes have already begun...