Po Yun

Three years ago, the operation leader Jiang Ting made an error in judgment, a chain explosion occurred at the scene, and there were heavy casualties in the unit. Three years later, he, supposed to have died in duty, returned to the world, doing everything he could to bring forth the bloody, bizarre truth. Heroic souls resting in death, the ones behind it all closely approaching, sentiments built fighting side by side in blood and fire... "I used all of my luck in this life, to exchange for you. Thank you for bringing me back to this world, Yan Xie."

(Source: Bilibili Comics)