MTL - Two-Faced Husband, Have Some Decency! - ~ 239 Unconsciously, Song Yu was overwhelmed by him on the sofa, 5000

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

A Hentai World is a Dangerous Place, Especially if Your Best Friend is a Hentai Protagonist and You Are a Trap.

Tu Xiao'an dies due to an accident and he is luckily reborn as a snake with a system. As long as he gobbles down some preys, he could speed up his course of evolution and gain more power to protect his family.'Mom, Sis, I'm sorry. I'm so, so sorry for making you grieve!''One day, I'll stand before you again, out in the open, and take care of you!'

After announcing it will be discontinuing all service, the internet game ‘Yggdrasil’ shut down… That was the plan, but for some reason, the player character did not log out some time after the server was closed. NPCs start to become sentient. A normal youth who loves gaming in the real world seemed to have been transported into an alternate world along with his guild, becoming the strongest mage with the appearance of a skeleton, Momonga. He leads his guild ‘Ainz Ooal Gown’ towards an unprecedented legendary fantasy adventure!