Secret Class (18+) summary: DAE-HO's parents were kiled in a tragic accident, and he was taken in by his late father's friend Mr. CHA. Now, at age 20, he keeps having weird dreams and Mrs. CHA feels he needs someone to show him how to relieve his urges..Official Translations:, , Dae Ho, who became an orphan at the age of 13, was adopted by his father's friend. However, Dae Ho in adulthood knew nothing about the relationship between men and women. Aunt and sisters decided to give pure Dae Ho a secret class...