Young Older Sister-in-Law 2

Joon Goo is an innocent man in his 30s. He quit his job and runs a small BBQ place with his young and sexy wife, Mi Ri. Then one day, Mi Ri's sister, Na Ri, comes to their house. Na Ri is in her mid-20s. Joon Goo feels attracted to Na Ri who is calm and considerate, unlike minx Mi Ri. The two end up crossing the line after a small happening.
Source: HanCinema