Cast of
My Little Sister's Friend

About My Little Sister's Friend

Min-soo is at home since his discharge from the military. His sister Soo-min and her friend So-ri come home. Min-soo is surprised to see the 'little girl' he once knew had grown up to be such a mature young lady. One day, Min-soo is watching porn when he runs into So-ri. He freezes, but So-ri seduces him, "Want me to satisfy you?"

Full Cast of My Little Sister's Friend

Min Do-yoon

Min Do-yoon

The play started with a child actor, and he belonged to the drama club even in high school. Started full-scale actor ...

See Min Do-yoon's other roles