SEE ALSO: Actor Byun Woo Seok cutely overwhelmed by the sheer number of fans who showed up to see him at the 'Jeonju International Film Festival'

The group showcased their vocals through performances of "Child in Time", "I'm in Love", and "Marry Me". During the special event for couples, audience members revealed the nicknames they have for their significant others, bringing goosebumps to those watching.

Whether you're single or in a relationship, enjoy their lovely voices above!