It’s Lonely To Be Invincible - Chapter 418 - I'm not here to be arrogant, I'm here to slaughter people

Entering Tokyo in the bubble era, in this strange era, the only familiar ones are Matsuda Seiko, Nakamori Akina, Kudo Shizuka…

- Description from novelbuddy

God plucked one of his creations from his first Earth and gave him a second chance in another one of his Earths...surprise it is in DxD! Now reincarnated as a perverted side character how will our poor protagonist handle his new identity? Well he probably wont make the choices you will want him to, that's for sure!

This is the tale of Arin, a once kind-hearted and gentle child, now a man hardened by the cruelty of society and the brutal trials of life—a man transformed into a ruthless criminal, devoid of mercy. As his world was collapsing, fate transported him to a new realm. This world, more vicious and savage than his own, was steeped in magic and dark mysteries.Ironically, it was in this fearsome world that Arin, now an undead being, began to rediscover his lost humanity. Through battles and bloodshed, amidst the clash of sorcery and steel, he started to reclaim the compassion he once hated. This is not just a story of survival but a saga of transformation. Follow Arin’s journey as he rises to power, determined to become the ruler of this harsh world. In a twist of fate, he now seeks to save the very humanity he once wanted to destroy.

~My Lovely Harem School Life~Just like the cringy name suggests, it's a well-known dating sim that gained popularity due to the beautiful heroines, fun story, and most importantly, the significance of the player's choices that influence the endings....But why did I end up transmigrating into the scummiest character in the game, Yagami Reiji, the heir to the biggest Yakuza group in the country? The trash that harassed the main cast, the trash that bullied the students, and the trash that ultimately 'steals' the heroines if the player makes the wrong decisions.Why, God, Why!?Will my predecessor's past, a horrific mess, haunt me? Will my father, the King of the Underworld, accept me? Will the characters, now a reality, still hate me?I decided to live a regular life, slowly taking the steps to whitewash my reputation..... With an occasional punch thrown here and there......Wait, why is the original protagonist a complete idiot?