A solo special that will capture the hearts of Korean women! The man you want to have, Eric Nam, the nations boyfriend and "Sentimental Hip Hop Gangster" Crush are on Rainbow Live! Turns out they have a hard time living alone. Revealing the daily lives of a cute single man who shows maternal instincts and has poor Korean skills! For the first time in rainbow live! It's the first time they've ever seen a young college campus life. Crush is completely different from the hip hop swag on the stage! Yong Gun learns boxing from Lee Gye-in. From extraordinary warm-up exercises to sparring. Full of passion! Master Lee Gye-in does a quick boxing lesson and now he's in action! Teacher Lee Gye-in vs student Yong-gun's boxing match.