I was scared of this title for many years due to the name alone.
I tried reading it twice but dropped it after a few chapters. This third time I was super bored and decided to finally read this, and I was blown away to see the growth of a pervert into a good person who admits his faults, ask for...
I can understand that he could maybe kill 1 sister by surprise, but how THE FUCK was he able to kill all the SUPER HUMAN sisters while burning the residence, what was Negi smoking?