Volume 4 (Letter from Keisuke Baji)

Volume 4 is the fourth volume of the Tokyo Revengers: Letter from Keisuke Baji spin-off, written and illustrated by Natsukawaguchi Yukinori.

Volume Illustration
The third volume features Ryusei Satou and Kojiro Hishi.

Japanese
''ついに決着の時を迎えた壱番隊と四谷傀團. 壱番隊を裏切り親友と共に堕ちていく道を選んだ龍星だったが、最後まで彼を信じた千冬の言葉で、再び小次楼と向き合うことを決意する. 場地もまた、かつての親友・一虎のことを千冬と龍星に打ち明ける──. ''

''壱番隊を裏切り、親友と共に堕ちていく道を選んだ龍星だが、千冬の言葉で再び小次楼と向き合う決意をする──. vs. 小次楼編決着!!''

English (translated)
''The First Division and the Yotsuya Kaidan's conflict has finally come to an end. Ryusei, who betrayed the First Division and chose to fall with his best friend, decides to face Kojiro again, thanks to the words of Chifuyu, who believed in him to the end. Baji also confides with Chifuyu and Ryusei about his former best friend, Kazutora...

Ryusei, who betrayed the First Division and chose to fall in with his best friend, decides to face Kojiro again through Chifuyu's words... vs. Kojiro!''