I have saved so many doomsday goddesses from all over the world

(Be careful! The protagonist has no moral integrity. The female characters include but are not limited to: zombies, elves, dragon girls, catwomen, female spies...) Chen Yu was spotted by the devil girl and sent to various apocalyptic worlds to cause trouble. World luck. With his incredible understanding, he said: As a talented researcher, is there anything wrong with me doing some research that is harmless to humans and animals? So, Zhiruo wielded the Heavenly Sword and commanded the zombies not to dare to disobey; Yuan Chengzhi pulled out Frostmourne to summon the undead natural disaster; Bumblebee turned into a twin-tailed machine girl; Ma Xiaoling formed a seal and shouted the swastika... (I don't know the original work. Are you afraid that the plot will affect reading? There is no so-called original work! The crazy planes are all magically modified...