In "러브인 로그인," meet the protagonists Kwon Sung-hyun, a gaming addict, and Park Da-hye, a full-time online gamer. These two characters, who once believed that games were everything in life, step into the real world together. Follow their growth as they navigate work, youth, gaming, and relationships. Can they balance work, youth, gaming, and love?

Embark on a romantic journey as Sung-hyun, part of a game company's business team, meets Da-hye, an award-winning illustrator, in a nearby café. As the rain pours down, Sung-hyun escorts Da-hye home, only to find her house flooded. What unfolds next is a tale of unexpected twists as Sung-hyun brings the lost Da-hye to his own home.