You're My Younger Sister (2022)
Original title: 내 여동생이잖아
You're My Younger Sister is a 2022 Korean-language romance movie directed by Kim Man-bae, with a running time of 1h 13m. It stars Lee Yoo-rin, Jin Seo-yool and So Young.
A brother and sister met at an orphanage and lived together for a long time. The brother came to meet her sister, who had already gotten married, to listen to her worries. A very drunk sister brings up the story of his husband cheating on him...