여동생이랑 비밀 레슨 ; Secret Lessons With My Younger Sister
Drama, Mature, Romance
249
5
212
February 7, 2026
“I heard you’re really good at sex.” Jinyoung, known among his friends as “Sex Professor,” is actually inexperienced and as single as could be.However, when he’s questioned by his 20-year-old sister, Bom, Jinyoung pretends to be experienced and lies. After that day… Every night, my sister now comes to my room without our parents knowing. This is a problem.
Jinsoo has been standing on his own two feet and living at a local boarding residence. Despite being far away from home, thanks to his boarding house host, he’s rarely felt lonely. However… For some time now, Jinsoo has been attracted to his host, and not just platonically, but sexually. “I can’t do this; she’s the most important person in my life…”. Despite Jinsoo trying to control his emotions, he can’t seem to keep his boner under control
