Kiss Goodnight, Mr.Ji - 1824 Is it embarrassing to be with me

I transmigrated into the gacha game I abandoned for 10 years.But, the state of the heroes I raised is strange.

There came a sudden ravage by monstrous creatures in a civilian world, leaving humanity's hope to lurk in shadows. Hunters, trained in special schools, wield potential and abilities that enabled them keep the beasts at bay.For Buji, life’s difficulties stem not from being an orphan, but from relentless bullying. Nicknamed “the weakling,” he detests the label but bears it forcefully since he could do nothing.When he transfers to a new school to join his foster sister, Buji thought things would be different. But, during the Awakening Ceremony of the school, he find out a shocking truth: he's was going to be an S-Rank hunter without a talent.Awakening no talent only added more difficulty to his life struggle as he was branded an outcast.On the verge of death during his first raid, Buji awakens an enigmatic system.[Host Found][Survival due to inheritance][Congrats, you have gained the status of a 'player'.][The player, upon leveling up will awaken a potent monster][Class: Animagus | Type: Snake | Aspect: Venom][Do you accept?]Given the choice to embrace a monstrous path, Buji seizes it with unyielding resolve.'If becoming a monster is my only path to strength, I’ll take it—and the world will regret casting me aside. Fighting against these hunters was going to be a job, but imagine a world where I had control over monsters, had my own monster kingdom, and becoming the strongest of all. Stepping on these hunters won’t be a deal anyway.'“Yes!”

“Kill them all - every last member of House Grim must die tonight!”That was the last thing Renard heard before his world turned to ash. One night was all it took for him to lose everything - his family slaughtered, his home burned to ashes, all because the other Great Houses branded them traitors.They thought they wiped a noble line. Instead, they created a monster.Rising from the despair of losing everything, Renard became the beast Sovereign. He embraced the darkness and rose to the position of the 7th commander of the dreaded demon army.Leading an army of Demons and monsters, he brought three legendary Heroes to their knees and crushed four Great Houses to dust. But just as revenge was within his grasp, the champion of Humanity - Klean Weaver's holy sword pierced his heart.Renard thought that was the end.But something impossible happened.He woke up in the past, in a time when his family still lived and House Grim stood strong among the Eight Great HousesA second chance!A chance to change everything.That wasn’t all.For unknown reasons, he inherited the Legacy of the Devourer, a power that lets him consume the strength of his enemies.Was it a curse? Or a blessing? He didn’t know. But for Renard, it is simply a tool to protect what's his.The Lords of the Great Houses think they're untouchable in their high castles. They have no idea what's coming.This time, the Beast of House Grim hunts first!!

To save a doomed fantasy world, I killed the main characters, then destroyed the game world, and fell into another timeline as the academy's top seat and rival to the protagonist.Now, I'm trying to save the world and steer it towards a better ending…But I'm the final boss.