Marionette

A boy named Yi-Sol was the result of an unusual experiment carried out by a hospital. Sixteen years later, during his high school years, he is pursued by an unknown group. Over time, he becomes aware of an unusual ability connected to a mark on his forehead. Following his father's death in an unfortunate accident, Yi-Sol decides to seek vengeance using his newfound power and takes on some of the cases related to his father's murder.