[2] He was one of two siblings in his family, with a younger sister named Moon Sua, who is a member of the South Korean girl group Billlie.

[4] In 2009, he had his first acting role in the Korean drama Boys over Flowers where he played the younger version of Kim Bum's character.

[6] Before his official debut with Astro, Moonbin and his fellow group members starred in a web-drama titled "To Be Continued".

[11] On November 12, 2019, Fantagio reported that for health reasons, Moonbin would be absent from Astro's upcoming promotions for their Blue Flame EP release.

[20] Later that year, Moonbin was added as a cast member for the second season of Coupang Play's Saturday Night Live Korea.

[24] Yonhap News shared a statement released by the Seoul Gangnam Police who are investigating the death: "it appears that he took his own life.