Lee Yi-kyung

Byul, Haha's wife, sings her past hit songs; SHINee's Key and NCT's TEN exude energy; actor Lee Yi-kyung displays chemistry with Hyo-ri.

Young Ji invites musicians with various charms and talents just like her rainbow-like charms; the musicians talk about stories through their music in unique colors, like the seven colors of the rainbow.

Haha and his family have a barbecue for dinner; the next day, the family visits a theme park in Gyeongju driven by Yi Kyung; father and son bond after a fight.