Go Euna and MBLAQ Mir, a sibling famous for being close, was featured together on SBS 'Strong Heart.'

On the latest episode of 'Strong Heart' that was released on January 17th, Mir confessed that he "always feel like he's in the palm of his sister" and that "she watches him wherever he goes."

Offended Go Euna explained that "it was only because she cares about her younger brother" and revealed that she "checks all the background information of all the girls that he's interested in."

Mir also revealed his weariness at the intervention that his sister ofter stages to ruin his romantic relationships.

Other celebrities on the set that day included Suh Joonyoung, Huh Cham, Jung So Nyuh, Go Euna, Kim Minhee, Ah Junghoon, Goo EunAeh, and Kang SeungHyun.