He's Lee Dae-hwi's younger brother. What? What do you want me to do?

Lee Yeo-ju, Wanna One's Lee Dae-hwi's younger sister! But. She's Lee Dae-hwi's younger sister. What! Don't you think Lee Dae-hwi and Lee Yeo-ju are real-life siblings? The story of Lee Dae-hwi's younger sister, Lee Yeo-ju, and their real-life siblings♪