This show is related to the special episode. Sky in my mind is the older brother there but Prince was only there for one scene. Star in my mind and Sky in your Heart is together and everyone is there. Brothers and Brothers except Khab and Prince aren't brothers but they all are friends just in a small world.
Both of these special episodes take place after their respective stories, where both couple take a beach resort vacation together. The events that follow are fluffy and hilarious, as we see the hard-earned dynamics of the two couples come together in a fun exchange not only with in the couples, but between them. There are also similar conversations of dreams of the future and reflecting on what it took for them to reach this happy point.