It's been a few weeks since viewers had to bid farewell to It's Okay to Not Be Okay, a series that truly dug deep into mental health, it's after-effects and positive awareness. Starring Kim Soo-hyun as Moon Gang-tae, Seo Ye-ji as Ku Mun-yeong and Oh Jung-se as Moon Sang-tae, fans were left an emotional mess during the series finale of the tvN drama.