Afterlife Department
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
Tang Jiming
After Yi Bing said those words, he glanced at the still unconscious Tang Jiming in Feng Wu's arms. Seeing Feng Wu's reaction earlier, Yi Bing guessed that the flash of light just now has something to do with Tang Jiming. As for why he think like this, it is because that flash of light appeared only when Wang Jie mocked Tang Jiming with his taunting words. After that, the flash of light appeared, and then Wang Jie died.
Thus, Yi Bing thinks that it is Tang Jiming who caused that flash of light to appear. Not to mention that it was only them who reacted when the flash of light appeared while Tang Jiming remained just standing there with his head hung low. No one could see what his expression is, thus Yi Bing's suspicion of Tang Jiming increased.