50,000 years ago, Hell was destroyed because of too much Foul from the resentment of the souls that later turned to Soul Eaters and devoured everything in their wake, leaving nothing of Hell. The gods above in Heaven, in order to take care of the newly-died souls, created the Afterlife Department comprised of grim reapers. Huo Ling was delivering food that day when he met Yi Bing and the guy gave him a warning. When he arrived to the customer's unit, he was killed. Huo Ling: you set up a death flag for me! Yi Bing: I'm a grim reaper. I'm the flag myself. Let me help you solve the mystery of your death. Huo Ling: your sister! Alternative title: The Different Ways I Died at 23 Update: daily
Because the secret organization's tail has finally been caught by the Afterlife Department led by Gu Shi, and the Deserters led by Gu Lin, the secret organization which finally noticed it began to hide further this time after the purge done by the Deserters in the mortal realm has happened. After all, the number of the spy grim reapers that the Deserters caught is no joke. The secret organization really lost big time here.
Thus, the secret organization lived up to their name. They really hid, becoming even more secretive of their activities. Thus, Gu Shi had Sha Jiu and Hai Ba monitor even closer the other worlds in case the secret organization would attack the other worlds knowing that the Stable World has the Afterlife Department in Heaven and the Deserters in the mortal realm to look after it.