Wind Breaker 5 by Satoru Nii

An adrenaline-filled manga set in a high school for delinquents who are now heroes protecting their town. A fierce, new student arrives at the school determined to fight his way to the top and become the strongest of them all. This edgy, action-packed manga is guaranteed to excite fans of Tokyo Revengers and other stories about high school delinquents

Life is a breeze, until a storm hits.

After defeating Shishitoren, the students at Furin High get a breather and bask in normal school life. After meeting some powerful classmates and astounding upperclassmen, Sakura gets elected class captain, blossoming some changes in himself. Meanwhile, a dark shadow looms over one of Sakura's classmates. To save his friends from the infamous team, KEEL, Sakura and his class jump into action!