BTOB's Sungjae appeared on MBC's 'Radio Star' on May 27 and impressed with talk about his fairly well-off family background. �

On this episode, MC Kim Gu Ra gestured toward his guest and said, "Sungjae's household is quite good. �His father works at an IT enterprise." �Sungjae clarified, "My father is the CEO of an IT company that deals with semiconductors." �

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MC Yoon Jong Shin said, "If it's to that extent, isn't that a [wealthier] background than Siwon?" mentioning the well-known wealthy Super Junior member.

Kim Gu Ra cut in with, "Even if he's not at Siwon's level, that's a good household," then continued on, asking Sungjae what the IT company was. �He replied, "I'm not sure," looking taken aback to the audience's amusement. �

You can also see Sungjae mimic animals in a funny clip below!