Ar'Kendrithyst - 256, 1/2

~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?

A young man finally managed to become an immortal, a powerful cultivator able to lord over millions of souls. He took advantage of his tremendous luck and fortune to become the youngest immortal in history. He now wants to create his own sect and enjoy life, one filled with female disciples!

Every night, he prayed. To every god on Earth.“Please, transport me to a fantasy world when I wake up tomorrow.”And then one day, his prayers were answered.Just not in the way he had hoped for.

With the unexpectedly obtained unknown civilization technology, bionic robots, artificial intelligence, quantum mechanical transmission, supercomputers, plasma thrusters, nuclear fusion, these black technologies are constantly being manufactured in Wang Xiao’s hands.

Knowledge is power. With the help of unknown civilization technology, Wang Xiao, who has acquired this knowledge and black technology, has tickets to a better future and a sea of stars.

- Description from Qidian