➦ the girls got in touch right after the JYP's Party People program, on one of the vlives
Moonbyul told that they had already exchanged numbers behind the scenes.
➦ when ChiChi joined RBW, Moonbyul made her a mini-party, after which she had to calm her down for the next hour because she was crying for so long. (ChiChi mentioned this on live on Instagram, she said it was because she feels again that she has the place she belongs to)
➦ ChiChi wanted to suggest Moonbyul collaboration. It turned out that Moonbyul wanted to talk to her about the same.
➦ Moonbyul wrote the whole She's a Flirt for her.
➦ Moonbyul was behind the scenes of two Chichi's concerts, the one in Seoul and the one in Taipei (her favorite part is the finale of The Greatest Show)
➦ Moonbyul once mentioned on live on Instagram that she would like to see Eclipse performed by ChiChi
➦ ChiChi at the first fanmeeting had a Moonbyul hat, which she got from her as "lucky charm"
➦ ChiChi calls Moonbyul "Moonnie" (a combination of Moonbyul and Unnie) or "Byul-onee-sama"
➦Moonbyul and ChiChi led one live on Instagram together, during which they sang karaoke and tested instant noodles.