The First Love Series 2010 on netflix

This omnibus movie tells different stories of first love: Hyeok-soo, who has been living a wasted life, falls in love with the hardworking Seo-yeon but their love is put to the test by a strange twist of fate. Yong-sik believes that physically intimacy is important while his girlfriend Hye-jeong doesn’t, and the two break up. But the two reunite a year later and feel attracted to each other. During a trip, Su-heui finds out that the woman staying in the room next door is her husband’s first love.