Explore the untold tale of Chifuyu Matsuno and Keisuke Baji in this Tokyo Revengers spin-off. Vice-captain Matsuno grapples with the loss of Captain Baji from the 1st Division following a clash with Valhalla. As Matsuno struggles to come to terms with Baji's demise, a letter from the late captain sheds new light on their shared past, from their initial meeting to their poignant farewell.