The Ultimate Support Character - Chapter 11 Pledge

[ WARNING: R-18 chapters are hentai ] “I’ll bring my zombie waifus back to human again!”Sid Wilder was the top player of a famous zombie game and a popular livestreamer. At the peak of his career, he faced a huge controversy: he refused to kill the final boss, a zombie bride. Viewers mocked him and even accused him of being a necrophile who was “in love with corpses.”Sid died while trying to prove them wrong. But instead of disappearing, he found himself inside the very game he once played. This time, he gained the powers of a streamer combined with a mysterious game system.To his shock, Sid discovered a unique skill... he could revive zombie girls and bring them back as humans. Imagine being the only living man in a ruined world, with the power to choose which beautiful zombie girls to save, each one becoming loyal to you forever.With this power, Sid planned to build a community with his zombie waifus and bring back humanity by passing on his bloodline.

Lyle Walt is a young noble boy and heir looking forward to the day he can inherit his family’s territory. Except around when he was 10 year old, his parents started neglecting him more and more in favour of his little sister, Celes.
On his fifteenth birthday, he is challenged to a duel by his sister to see who will inherit the household and horribly loses, being cast out of his family. Afterwards, he gets treated by the family groundskeepers and receives the family heirloom Gem from him that Lyle’s grandfather had entrusted to him. From there, he begins an aimless journey with his childhood friend and former fiancée, Novem, and the Gem-turned-Jewel that houses the memories, personalities, and Skills of seven of his ancestors.

Cultivating his power by slaying demons and taming countless beasts, the emperor solidified his throne as the world's ruler. But not once in his life had he expected that his disciples would use research on demonology to sap the world tree's power and push the world to destruction.Trying to fix his mistake, he opted to use all of his cultivated power to cure the world tree and block anyone from sapping its power ever again. But in exchange, he was to lose all of his power.But...the worst had happened, his wife... had betrayed him.

When I opened my eyes, I found myself in a game where heroes and villains prevailed. I was told I would be granted one wish if I clear the game. The protagonist, who received a growth cheat that allows you to steal his stats by killing an opponent. He kills villains to grow up, but for some reason people mistake him for a “dark hero.” [Story-oriented]