Hey, guys welcome back to Kaizetsu.com. Today we are going to provide you the list of Manga/Manhwa/Manhua which are very similar to manga named What Happens When the Second Male Lead Powers Up (Novel)
Short introduction to What Happens When the Second Male Lead Powers Up (Novel):
I was transported into the romantic fantasy novel my younger sister was reading, not as the male lead but as the second male lead. If I remember correctly, this punk is fated to go into war in the future and die in the male lead’s place. Okay, I’ve made up my mind. Let’s not go anywhere near the main characters and stay healthy until I can go home.
10. Lout of Count’s Family (Novel)

Description: When I opened my eyes, I was inside a novel called “The Birth of a Hero”. It was a novel focused on the adventures of the main character, Choi Han, a high school boy who was transported to a different dimension from Earth, along with the birth of the numerous heroes of the continent. I became a part of that novel as the trash of the Count’s family, the family that oversaw the territory where the first village that Choi Han visits is located. The problem is that Choi Han becomes twisted after that village, and everyone in it, are destroyed by assassins. The bigger problem is the fact that this stupid trash who I’ve become doesn’t know about what happened in the village and messes with Choi Han, only to get beaten to a pulp.
Number of Releases: Ch: 770+
Release Year: 2018
9. The Greatest Estate Developer (Novel)
Description: When civil engineering student Suho Kim falls asleep reading a fantasy novel, he wakes up as a character in the book! Suho is now in the body of Lloyd Frontera, a lazy noble who loves to drink, and whose family is in a mountain of debt. Using his engineering knowledge, Suho designs inventions to avert the terrible future that lies in wait for him. With the help of a giant hamster, a knight, and the world’s magic, can Suho dig his new family out of debt and build a better future?
Number of Releases: Ch: 408
Release Year: 2019
8. The Editor Is the Novel’s Extra (Novel)

Description: Kim Jeongjin, an editor of a publishing company on the brink of closing due to bankruptcy, ends up transmigrating inside a fantasy novel as the incompetent youngest son of a wealthy family. And here he thought that he should live a rich life in this life… “Why was I given a high-level skill? Don’t even bother!”
Number of Releases: Ch: 404+
Release Year: 2019
7. Lord Baby Runs A Romance Fantasy With Cash (Novel)

Description: I lived suffering without a home, religion, or parents, but an angel appeared and reincarnated me. “You, a pro when it comes to romance fantasy novels, would you like to reincarnate in a world that was created based off of a romance fantasy novel?” I reincarnated because he said I would have a (handsome) dad and a (handsome) older brother who would spoon feed me, and even gift me a diamond mine, but… I might be a child from my mother’s affair? As soon as I was born, I was sent to my mother’s household and fell into a family that deprives me. “If I stay like this, I might end up freezing or starving to death by myself!”
Number of Releases: Ch: 271+
Release Year: 2020
6. Villain Duke’s Precious One (Novel)

Description: Reborn as a sister of a villain with no blood or tears in a war-fiction novel. Anyway, that guy, who plays ‘my brother’ role, is a villain who will be sealed by the Main Lead after losing the war. So I just need to pretend to be his little sister until he disappears. No, at least that’s how I think… ‘Something in your right hand, is that the main lead’s head?’ My brother won the war. “What’s with the suitcase?” “Yes?” At the tip of Dietrich’s long finger, there was a package that I had wrapped up as soon as he left for the battlefield. “I asked what it is.” “It’s, It’s a travel bag, brother.” “Travel? Alone?” Dietrich’s dark eyes glistened. The man who had just returned from victory had a strange smell of blood from murder.
Number of Releases: Ch: 181
Release Year: 2020
5. I Don’t Want the Obsession of a Twisted Archduke (Novel)

Description: I reincarnated as the wife of a cursed archduke in my own twisted novel. As the author, I took responsibility and set things right by lifting the curse, which was the key to returning home. I thought my job was done, and just when I was finally trying to go back, the archduke asked me, “Did you really think I wouldn’t know that you’re planning on returning to your fiance?” He had completely misunderstood! “Whether you like it or not, I’m still your husband. I’m never letting you go back to that bastard.” All I want is for him to please let me go home!
Number of Releases: Ch: 137
Release Year: 2020
4. An Evil Cinderella Needs a Villain (Novel)

Description: Lilith is a former villainess who died after frivolously messing up the love between the male and female lead. They say you’ll pay for it if you do evil deeds, and Lilith became a side character in a novel who gets abused by her stepmother and gets married off to a trashy man. Determined to live kindly this time, Lilith recruits the worst villain to teach her stepmother and stepsisters a lesson. “So you’re telling me to create a scene while pretending to be your lover.” “Exactly! If they get treated terribly they’ll live kind lives too. Like me!” The villain is really good at his job. Now the only thing left is to take care of the stepmother and the baron and live kindly and quietly like a side character would.
Number of Releases: Ch: 158
Release Year: 2018
3. Trapped in a Webnovel as a Good-For-Nothing (Novel)

Description: While working overtime through several nights, he fell asleep for a short while. When he woke up, he seemed to be possessing the villain of the webnovel he was reading. “Well, how typically cliche… to the point where I’d end up dead if I were to follow the predetermined fate. Darn it.” He need to find a way to survive. The first way to survive as a good-for-nothing villain in the webnovel. “Convince as many people as possible to be on my side.” The second way to survive as a good-for-nothing villain in the webnovel. “Become strong enough to protect myself.” Lastly, the third way to survive as a good-for-nothing villain in the webnovel. “Never become friendly with that proud and insane ‘Returnee Master’.” But what should he do? Even before he possessed the body, the original owner already caused an incident…
Number of Releases: Ch: 263
Release Year: 2019
2. I Became a Sick Nobleman (Novel)

Description: I became a miserably weak aristocrat in the web novel ‘SSS-class knight’. With a body that can drop at a moments notice, no less. ‘Let’s live for now. Let’s fight on.’ I have to survive, even without knowing the ending.
Number of Releases: Vol: 10; Ch: 208
Release Year: 2019
1. The Tyrant’s Tranquilizer (Novel)

Description: “Even I can write better than this, argh.” “Then, why don’t you try?” I possessed a supporting character in a novel I was reading. The supporting character Amelie, who was killed by the tyrant. In order not to meet him, I tried transformation and all kinds of means, but I still couldn’t escape the clutch of the tyrant, Serwin. I thought all that was left for me was death, but… “It’s weird. If I smell this scent…” But this man, he can’t even act consciously when he looks at me? “Did you not know? The fact that you smell good.” As if he was bewitched by my scent, he approached me. Then, he bent down and took a deep breath. “Your Majesty, stop…” When Amelie whispered her cry, she could feel Serwin’s low voice next to her ear. “You tried to run away. Didn’t you already make up your mind by then?”
Number of Releases: Vol: 4; Ch: 164
Release Year: 2018
There are others also that are similar, but these 10 are far most Similar To What Happens When the Second Male Lead Powers Up (Novel). Consider subscribing to our mail list to get notifications about all news about anime, also join our anime discord server to talk with other anime fans. Discord Server