Tokyo Revengers: A Letter from Keisuke Baji manga volume 4 features story by Ken Wakui and art by Yukinori Natsukawaguchi.

With Chifuyu's faith in him in mind, Ryusei makes his final choice about who to betray and who to stand alongside. His decision brings him into direct conflict with his former best friend Kojiro and alters Yotsuya Kaiden's fate as the top gang. As summer begins, Toman's members enjoy a rare opportunity to bask in their victory. But it's only a matter of time before a new happening shatters this temporary peace!