– She has 2 younger sisters (Seulgi 1996, Yesol 2004).
– Moonbyul had originally auditioned to be a vocalist but changed to become a rapper instead.
– Received attention for resemblance to BTOB's Minhyuk and EXO's Xiumin. (Super Junior's Eunhyuk considers her as "Xiumin in a wig")
– Wrote her rap for "Piano Man" and helped write her rap for "Mr. Ambiguous" along with Hanhae of Phantom.
– She created the choreography for "Mr. Ambiguous".
– Her nickname is "Black Hole" because she tends to sweat a lot.
– Wants to collaborate with Verbal Jint.
– When MAMAMOO participated to Immortal Songs, she wrote the rap parts by herself as they were not originally there.
– She owns a dog named Daebakie.
– She used to share a room with Whee In. (After Um Oh Ah Yeh era all of them moved out and now have their own places.)
– Moonbyul is close to Seulgi of Red Velvet.
– Moonbyul was, alongside other 6 female idols, in "Idol Drama Operation Team" tv program. They created a 7 members girl group, called Girls Next Door , which debuted on July 14, 2017.
– Moonbyul's ideal type: "I really like Gong Yoo sunbaenim. I sort of like dinosaur face-types and guys with broad shoulders, guys who can just grab and hug me in one go".
