👧 Saet Byul: “Thank you” 👩 Manager’s Mom: “What?” 👧 Saet Byul: “I can’t even remember how long it’s been since someone washed my hair. I used to do everything by myself since I was a kid”. 👩 Manager’s Mom: “How did you manage to grow into this fine young lady? How? My gosh!... Don’t cry, don’t cry!” It is said that this one between Saet Byul (Kim Yoo Jung) & Manager Choi’s Mom (Kim Sun Young) is the most touching and heart-warming scene in newest episode of "Backstreet Rookie". They can see