Time goes back to the day in Research Institute 109. Pearl, who was supposed to die unexpectedly, unexpectedly survived. What experience will he have when he regains his life?
Lightning protection: There are many private settings, the timeline does not match the original work, OOC, there are new characters, Kokechuan Ai, the update time is uncertain, the writing is no good, don't criticize if you don't like it
Purpose: to make up for regrets