[1] On July 1, 2019 Brave Entertainment announced that Big Star have disbanded after the members contracts expired.

[3] In 2014, Big Star became the first idol group to hold 100 concerts in Japan.

[4] On June 27, 2017, Brave Entertainment confirmed that Bora and Feeldog had been officially dating for about six months after meeting each other on Hit the Stage.

[5] In October 2017, Big Star appeared in the KBS survival show, Idol Rebooting Project: The Unit.

On February 10, 2018, Feeldog came in 4th place on The Unit, making him an official member and leader of the show's group, UNB.