Young Sister In Law 2 (2017)

“A dangerous cohabitation with the young sister-in-law begins!”
Won Jin is sent into a nearby region suddenly by the company. He is unprepared when he goes down so he calls his friend Chang Hoon who lives there. Chang Hoon lets Won Jin stay at his house for the time being but Won Jin gets to thinking.
The reason is, Chang Hoon’s young wife Soo Yeong has a history with Won Jin. However,Won Jin decides to go to Chang Hoon’s house to see Soo Yeong. Chang Hoon just happens to leave the house for a while and Won Jin meets Soo Yeong’s glamorous friend Kyung Hee who is also living there.
Won Jin starts living with Soo Yeong and Kyung Hee who starts seducing him.