Many different genres can be applied to this drama, including psychological, life, corporate politics, family, friendship and even spy drama. But the most appropriate is probably "Healing Drama", not just for characters but also for viewers.

And you don't even need to relate to the main characters' struggles to feel that healing and almost therapeutic aspect of this show. Characters here are not without flaws, but that is what makes them so real. No matter how complicated their situations are, you are able to understand what they are going through and feel those same emotions. That is a joint effort of writers and incredible actors, particularly Lee Sun-Kyun (rest in peace) and Lee Ji-Eun, IU. Their healing journey and character growth throughout the show were very inspiring and heartwarming. It offered viewers an opportunity to go through this therapy session that was long and emotional but also impactful. And unlike many similar psychological life dramas you want to rewatch this show many times.