Y/N Mochizuki younger twin brother of Touya Mochizuki who was having a normal day until a lightning bolt hit them and died only for him and his brother to be sent to another world thanks to God. Now is the new beginning of their new life in a whole new world.

On earth everything was find since all the hero are keeping them safe until one dark apokolips came, now everyone hiding trying to survive from aliens monsters that's killing everyone without a care. But now it's up to the remaining justice league, teen titans, suicide squad to fight for their home planted. Now with them is a 16 year boy who use magic to fight these monsters and help with any way he can. (warning the age is a 15 or more with Strong gory violence so just giving you a head up.)

Y/N was having a normal life well if you call it normal like being bullied a lot and his family that didn't care about him only their work and money, until he was summon by Chaos the brother of God. He was then sent to the world "I've Been Killing Slimes for 300 Years and Maxed Out My Level" to live the life he wanted without anyone bullying him or his old family, nice peaceful life. Not knowing that he's life was about to change and also his peaceful life.