1. The Yaknir Protocol Arc #the start
2. A True Exterminator's Heart & Duty Arc #the middle
3. A Beautiful Ending Arc?..., #the end
4. The final ending Arc? #the true end
5. The prison arc #new arc
6. The Embodiment Of Angel's Arc #the 2nd arc for new MC
7. A Beautiful World Of Revenge Arc #a dead sister arc
8. The fight between 2 main characters arc
9. The true finale