RPG Aeon Avenger - KEMCO is a role-playing game developed by the Korean company KEMCO. The story is about a young man named Lake who is framed for murder, and must seek vengeance for the murder of his family in a village where he grew up. On his way, he meets a woman named Rean, and they fall in love. When the Rean finds out that Lake is actually the murderer, she tries to stop him, but in the end she gives in to love. They travel through time, and Rean reveals herself to be a time-traveler. They go on an adventure, and their story unfolds as they go through the different times.

The game is full of action scenes, and there are many characters in the game who play an important role in the story. The characters are not only from the past, present, and future, but they also come from other times. The characters from other times exist in the present and future of the story.