A Mastermind? No, I'm just the Live-In Son-in-Law - Chapter 72: The Truth

[Propose to Liliana Draven and get rejected.][Success: Gain the All Affinity Crystal and God-Level Talent.][Failure: Lose the system and receive… a handkerchief to wipe your tears]Veer braced himself for rejection, but to his shock, she actually said yes![Ding! Task failed][But a hidden mission has been completed. System upgrading...][Would you like to merge with the Wife Doting System?]_______________________Labeled as a joke for his “useless” Dragon Master Aspect, Veer never expected dragons to take him seriously—or for the School Belle to form a contract with him.And what? she’s an Ice Dragon? And her sister, the Dark Dragon, wants to be tamed too?Veer’s life just turned into pure chaos, and it’s only getting crazier!......

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

After Amihan, politician by day and otaku by night, died from a political assassination, she got transmigrated as the saintess in another world. But she always felt like a fraud. Why? If she was the chosen one, why did she feel so rotten inside?Also, wasn't she atheist?However, her years of forced piety and suppressed desires ended in spectacular failure - her decapitation.Three days later, she woke to the sight of a worshiper bowing low. “Welcome back, O Sun Who Burns The World,” they said.'Wait. What? I'm not the Saintess? I was this all along?'Furious at the wasted years of celibacy, moral dilemmas, and suffocating oaths, Serafine made a vow: no more pretending. No more rules. The world? Hers to ruin. The people? Playthings.But wait. It was harder than she thought because...How in the name of the Goddess Aurelia was she supposed to have her debut when she was surrounded by a bunch of suspicious and crazy beautiful women who wants to hunt her down?!This was no different from her previous world!

A magical 'Universal Toolbox' led Joe Ga into the arms industry.The complex and unpredictable nature of the world caused Joe Ga to gradually change his goals...“Sir, how did you end up here?”“I don't know, I just wanted to make some money at first, buy a house, marry a wife. But slowly, as more and more people appeared around me, my goals started to change.”“So what are your goals now?”“Now, I just want to retire peacefully with my guys, really!”