Sul Won (Shin Young Seok) becomes the unexpected live-in landlord of his mother's boarding house when she returns to her hometown. The diverse residents include his high school senior cousin, a former college friend, Kim Chun Seo (Im Sung Kyun), a high school teacher, and an aspiring cartoon author. As the young men grow closer, forming a tight-knit friendship, Sul Won finds himself in a complicated situation when some tenants develop romantic feelings towards him. Based on a popular web-based cartoon by Penguin, this drama explores the dynamics of shared living and unexpected connections. "Oh! Boarding House" is a 2022 Viki Original South Korean drama series.