I Am the Tank, My Teammates Are Mad Dogs

The healer wields a blade to slash people, the mage swings a staff to smash faces, the summoner clenches fists to fight head-on—the whole school calls us the Mad Dog Team. The principal bestowed the name 'Fengrui,' and three generations of the Feng generation were all wiped out; we are the fourth generation. He said he chose us because of one sentence: only those who fear death fight desperately to live.