Koichi Kosse

Based on the hit South Korean movie, My Sassy Girl, the character backgrounds and plot details will be changed for the drama. While the protagonists in the original film were college students, this time the pair will be a marine biology professor, Masaki Saburo, and Takami Riko, an aspiring writer (mydramalist.com)

An American teenager travels to Tokyo on a quest to find a lost comic and a connection with his father. Shortly into his adventure, he begins to notice that the world of his comic is coming to life, and he just might be the main character. (imdb)