Thicker Than Water (2015)

Thicker Than Water 2015 / 물보다 진한 2015 / Mulboda Jinhan

Sung Yong's mom has a vampire son and she tries her best to get him fresh blood everyday. She gets the blood freshly delivered or sometimes goes to a blood auction. She and her husband, don't have the same idea about raising their vampire son, so they argue a lot. One day, mother comes back from the auction and realized that there's no blood left for Sung Yong at home... (Source: IMDb)