Save (Tokyo Revengers x Male Reader)

Ren Haitani/Y/N..... Younger Brother of Ran Haitani, Rindou Haitani and Rai Haitani and part of the Haitani Brothers. Together these 4 brothers can take on a whole army of delinquents but what will happen when the older ones get separated from the younger ones..... Ren and Rai join the "Tokyo Manji Gang" while Ran and Rindou take over Roppongi and then join "Tenjiku". In the future, they'll have to reconcile one way or the other so...... Will they be able to? Will the Tokyo Manji Gang win the war?
(Hint..... Only 2 words..... Kisaki and President 🙃)

- Tokyo