On the December 22 installment of 'Yang and Nam Show,' Eric Nam asked A Pink Chorong to prank Changsub to see if she has been a good person this year.
Eric Nam asked, "Were you good this year?" Chorong answered, "I always try to live a good life," to which Eric jokingly responded, "We cannot just trust what you say, so we have a way to prove if it's true or not." He then introduced a segment called, 'Friend, Make My Wish Come True.'
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Eric Nam asked, "Which friend will you call?" Chorong said, "I don't have anyone to call but Changsub. I've never talked to him about money."
Chorong told the BTOB member, "I am in a really difficult situation right now. Can you lend me 3,000,000 KRW (~ 2,500 USD)?" Changsub asked, "What's wrong?" to which Chorong replied, "I have a family emergency, but I don't want to tell my members."
Changsub then replied, "Send me your bank account number," without hesitation. When Chorong asked, "Can you send 2,000,000 KRW (~ 17,000 USD) more?" Changsub said, "5,000,000 KRW (~ 4,200 USD)?" in a surprised voice. But when Chorong said, "I don't have anybody to ask but you...I'll pay you back. I'm sorry," Changsub warmly replied, "Okay. Pay back the money and 20 cups of coffee."