14. Wheein, Hwasa and another friend formed a team back in middle school called SAD. It stands for "Sexy And Dangerous".
15. Wheein's initials for her Korean name 정휘인 (ㅈㅎㅇ) written in reverse is ㅇㅎㅈ, which is Hwasa's birth name 안혜진.
16. The Mamamoo members once took a commemoration shot of the foods sent by MooMoos with Solar sleeping in the back, not waking her up.