The film you're likely referring to is part of the Bosomy Mom
On platforms like Letterboxd , reviews are sparse but often highlight the performances of lead actresses like Yoo Jung.
The search for a specific Korean film titled " 18 Bosomy Mom 2022
South Korean films often subvert traditional maternal roles. For a more critical "paper" topic, you could compare the domestic tensions in your example to Bong Joon-ho’s Mother (2009) , which explores the darker, obsessive side of maternal protection.
The series typically focuses on complex family dynamics and romantic entanglements: