Luna mentioned her identical twin during her guest appearance on the June 9 airing of 'Cultwo.'

A listener called in to relay a message of support to Luna, wishing her success with her new solo album. Luna explained that the listener is a friend from her elementary school, reminiscing, "I am an identical twin and this friend is an identical twin as well so we were good friends."

At the mention of her identical sister, the MCs asked her what she's been up to. Luna answered, "She majored in music. She sings really well. She wants to release an album with me one day." Luna then quipped, "Though we're identical twins, we don't look alike. She's a bit chubby."