A Writer's Odyssey (movie, 2021)

Kongwen Lu is the author of a fantasy novel series following a heroic teenager, also named Kongwen, on a quest to end the tyrannical rule of Lord Redmane, under the guidance of a Black Armor. But through a strange twist of fate, the fantasy world of the novel begins to impact life in the real world, leading Guan Ning to accept a mission from Tu Ling to kill the author.