The Heroine is My Stepsister, and I'm her Final Boss - Chapter 155 - 156: The Genius.

An ineffable rebirth, taking advantage of a mystical magic cube that was produced from rebirthing to pass through various worlds(anime, novel, movie, games, etc), collecting whatever I want to obtain!

- Description from MTLNovel

Fengyu loved gold, silver, and jewels more than anything. Her greatest dream was to eat, drink, and enjoy life as a salted fish. Her fiancé was the third-ranked scholar in the imperial exams, handsome as the legendary Pan An. Her salted fish life was perfectly complete.Her husband was poor? No problem, she was rich!But who would have thought that the winds of fate would shift, causing her soul to transmigrate into the body of Xie Xun, a dashing and rebellious young marquis, even making him lose a leg due to her. To survive on the battlefield, the salted fish had to turn over and rise, learning horseback riding, archery, and military strategy. The young marquis, bearing her face, caused chaos everywhere. Her fiancé, deeming her wild and foolish, broke off their engagement.She got engaged, and he reneged. She made money, and he squandered it. Her mountains of gold and silver were all emptied by him, and the two became locked in a love-hate relationship. Gradually, the plot started to go off the rails.The ex-fiancé, after breaking off the engagement, regretted it and confessed his deep love.Fengyu: I've already fallen for someone else.A scheming girl at the archery range tried to kill her, only for Fengyu to stab herself instead.Fengyu: What to do now? It looks like you've committed murder.Her parents, who had defended the borders for decades, returned home only to say, “Daughter, go follow the young marquis and start a rebellion!”How did the originally carefree salted fish storyline turn into one of a villain rising?In the end…Raising a husband turned out to be a money pit, but the husband was certainly worth it!A sickly schemer hiding their true nature (Fengyu) vs. A dashing but cunning strategist (Xie Xun)

Attribute Classification: Overhead/Western Magic/Strong Attack/Sweet

- Description from novelbuddy

Kim Mu-ryeong is the youngest member of a famous exorcist family. He grew up receiving love from his entire family and was considered a genius. The kind that appears once every hundred years. “Mu-ryeong, let me make a request.” After enrolling in high school, Mu-ryeong began to do simple exorcism work. The apartment’s elevator is acting weird. Someone is having constant nightmares. Even things like getting rid of a stalker or acting as a boyfriend. It was more of a problem-solver job than exorcism, But Mu-ryeong, being someone who helped anybody, There was nothing he couldn’t accept. But even for Mu-ryeong, there was one person he avoided… “Ki Hwan-young?” Tall and handsome with a mysterious, intimidating aura, And known for being impolite and having no friends. One day, Ki Hwan-young came to see Mu-ryeong. “My shoulders feel heavy lately.”