Recently returning with their new mini album 'Red Diary Part. 1', Bolbbalgan4 sat down with SBS 'One Night of TV Entertainment' to discuss their increasing popularity and earnings.

Topping various music charts upon release, when asked if there were any noticeable changes in their earnings, the duo responded, "We have many bank accounts now." They added, "Whatever you're thinking, it's beyond that."

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Ahn Ji Young also reminisced about appearing on 'Superstar K4' back in 2014, saying, "I thought that was our last chance. If that didn't work out, we were going to quit.  I think we were able to see the light in the end due to that very moment."

The full interview with Bolbbalgan4 is set to air on October 3.