MTL - Doomsday: I Have One More Keyword Than Others - Chapter 154 The closest person to the Poseidon Scepter

Once upon a time, an Alchemist Grandmaster from the World of Immortals accidentally took possession of a playboy, who hailed from a rich and powerful family, and became a student in the middle of his midterms.

By the means of a miraculous immortal technique, he blended in and mingled amongst the femme fatales’ group to dominate the city! The nature of this novel’s origin is shamelessness to the core; having no sense of shame is just a basic foundation, but if the most shameless isn’t set yet, then become it!

- Description from Novelupdates

Haruto Hayase was a normal high school boy in his third year, living a quiet life until his younger sister, Haruka Hayase, joined the same school. Haruka’s beauty and charm made her the center of attention, quickly becoming the school’s prima donna. But when a notorious gang leader set his sights on her, he did everything in his power to protect her—only to fail tragically. Haruka was brutally assaulted and tortured, and Haruto himself suffered an agonizing death. However, in a twist of fate, Haruto is given a second chance, waking up a year before the events that shattered his life. Armed with the mysterious ‘Debauchery System Slave’, he vows to exact revenge on those responsible. This time, he will use his newfound powers of the system and charm to seduce the loved ones of his enemies. From their mothers, sisters, and lovers to their closest friends, Haruto will make them his. His enemies will suffer as he steals what they hold dearest, ensuring their downfall in the most devastating way possible.

Mother-in-law, “Add another 200,000 to the bride price, I want to switch to a new apartment!”Younger brother-in-law, “Don't think you're the boss just because you shelled out some stinking money!”As Song Yun was fuming, a voice echoed in his mind.Ding! Host successful check-in, reward: Magic Capital's top beauty!While everyone was entangled in the dispute, a Lamborghini approached from afar.The car door opened, and a peerless beauty stepped out and took Song Yun's hand.“Song Yun brother, let's get married!”