Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 15 - 15-42. Mastermind

Mediocre is a common characteristic of the majority. But when someone outstanding appears beside you, your life will change because of him. That’s the principle of ‘who you mix around with is a reflection of yourself.’ The doctor in charge of the Three Flavour Hall will change everything. You can raise a campus belle, a CEO beauty…

“I’m no angel, baby girl. I’ll make you cry, curse, and scream every night once you’re mine. So think twice before you sign this goddamn contract.”+++Rivana Faye thought nothing could get worse than catching her husband and step-sister making out on their wedding anniversary, only to be shot dead the same day.Instead of the afterlife, Rivana woke up back in the past, on her wedding day, staring right into the eyes of the same bastard who had ruined her life. Fueled by vengeance, she planned to marry him and tear his world apart, just as he had done to her in her previous life.That is, until Azrael Dynar, her supposed husband’s older brother, stepped in with a shocking claim: that they were already married?!“Wifey, are you cheating on me with this tiny loser? Tch, you have poor taste,” Azrael drawled, flashing their marriage certificate to everyone's horror.Azrael was everything Rivana had heard in hushed whispers: cold, cunning, and irresistibly seductive. But to her, he was oddly caring and fiercely protective. He even vowed to destroy everyone who had hurt her as long as she continued to be his side, as his darling wife!And the deeper Rivana sank into Azrael’s world, the more her defenses crumbled, leaving her with nothing but growing desires for him. Little did she know, the man she was falling for was no guardian angel but a devil—one responsible for her death, and the very one who could destroy her all over again.---Excerpt:“You seem to have experience in seducing women, Mr. Dynar,” Rivana joked, licking her ice cream.Azrael smirked at her laugh, and the next moment, he pulled her chair closer, causing Rivana's heart to skip a beat. Before she could catch her breath, he suddenly captured her lips, tasting the sweet chocolate on her lips.Pulling back slightly, Azrael smiled, enjoying her reaction. Tracing her lower lip with his thumb, he declared, “You are the first woman I have ever tried to seduce, Rain. And you will also be the last.”

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

- Description from Novelupdates

Dan just wanted to be normal. College, maybe a girlfriend, a life free of drama. Fate had other plans. Now, chosen as a Goddess's champion against his will, Dan is dragged into a hidden world of ancient powers and deadly games. Can a reluctant hero master his divine gifts and survive, or will the weight of godhood crush him before he even begins?.....Thank you for taking the time to view my book. I'm a growing author and so it means a lot to me that you decided to check my book. If you do decide to go ahead to read the book I would like to warn ahead of the typos that I may have missed in a haste to post the work and for that I am sorry. Hope you like the story though. Thank you again for reading..