The Boy Next Door (2017)

Other name: Sseomnam , Flirty Boy and Girl , Some Guy

Synopsis:
College students, Park Kyu Tae and Sung Gi Jae are two awkward neighbours that have a small disliking towards each other. After an accident the two boys move in together. They soon figure out that they are both friends with Kim Min Ah. The two end up in hilarious, awkward situations that leads Min Ah and her closeted boyfriend to believe they are gay. ~~ Adapted from a webtoon

Also known as:Sseomnam , Flirty Boy and Girl , Some Guy