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Minah wrote a cute message of support for Lina on Instagram which went, "My sister Lina debuted as a member of Wanna.B. I believe that she will take care to do very well as much as she waited for this moment, and if you guys give her love and support she will do even better. I've never been able to say it before but I lo...lo....sorry. I still can't [say it]. I'll be cheering you on, little big sister!!" 

How sweet! Let's also cheer on Lina! 

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