Toaru Majutsu no Index: New Testament - Volume 3, Epilogue: Reliable Birdway. Queen_Period.

He was once a great Immortal, but his attempt to ascend the Nine Heavens ended in failure. Reincarnated on the Blue Star, as he opened his eyes, he found himself with an adorable daughter. And a stunningly beautiful wife?“Daddy, can you cast a spell for me?”“I could even pluck the stars from the sky for you.”

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

Marcus just used to be a regular old university student but after dying an unfortunate death he now finds himself at the whims of a delusional god.As punishment for his sins (Leaving a 3-star review on a god's novel), Marcus is transported into that novel as Lucius, a crazy rebel leader that wants to destroy society and rebuild it as he sees fit.If that was the end of things then it wouldn't be so bad, but apart from all that Lucius is tasked with the job of capturing the hearts f all the heroines or he will suffer painful and gruesome death!With his back against the wall and life on the line, Lucius must get to work.[Ding! Heroine capture system online!][Steal a kiss from the heroine’s lips- 500LP][Ask the heroine if you can cop a feel- 700 LP][ Spend a hot and steamy night with the heroine- 5000LP]It's not that he wanted to do it, it's just that his life was at stake!He really did not want to NTR the protagonist!

In a fascinating new world, Sam finds himself reincarnated as a developer of unique simulations for a society of monster hunters known as “Hunters.” These skilled individuals employ advanced simulations to sharpen their abilities and acquire new skills essential for their dangerous profession. Drawing from the popular video games of his past life, Sam crafts immersive experiences that challenge and prepare the Hunters for the perils they face. As he navigates this thrilling realm, he discovers the impact of his creations and the true essence of bravery in the fight against formidable monsters.