Fics like The Hero's Gambit: Transmigrating into a Side Character's Chaos

Kim Rok Soo, an ordinary man burdened with a mysterious past, suddenly finds himself transmigrated into the body of Cale Henituse, the infamous trash of the Henituse family in the world of The Birth of a Hero. Just as he begins to adjust to his new life, a system appears, issuing him a seemingly impossible mission: he must conquer the hearts of all the major male leads from the novel, or face permanent confinement in this world. Armed with a strange buff that makes his tears heart-wrenching and irresistible, Kim Rok Soo struggles to navigate his way through a twisted version of the plot where nothing is going as expected. As tensions rise, father figures battle for custody, male leads grow more attached, and Cale becomes fiercely protective of his children. Can Kim Rok Soo survive in this new world, or will the emotional chaos overwhelm him?

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1. bastards by kariselvrrie (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
2. and if you were drowned at sea (i'd give you my lungs so you could breathe) by Infinitely_Zero (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan, Batman - All Media Types)
3. REBIRTHIA=PROTOCOL/. by mishamoonberry (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
4. an unfortunate change in genre by abralhugres (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
5. Like a Flower in Spring (You'll Bloom Beautifully) by Capoeira (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
6. Amaranthine by Pearlised (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
7. The Trash,the Sun. (This Will be Fun?) by PillySmith2521 (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga))
8. Child of Iron by orphan_account (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan, The Avengers (Marvel Movies), more)
9. To Tell the Truth by Jormus (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
10. Bloody Prophecies by Penda_red (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan, One Piece (Anime & Manga))
11. Fucking God of Death! by Whatever_you_wanna_call_me, XiaoLupine (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
12. i'll save you when you're weak by abralhugres (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
13. Treasure of the (Vampire) Duke's Family?! by realfakedokja (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
14. A Side Character's Guide To Surviving An Otome Game ((OLD VERSION)) by orphan_account (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
15. Shadows in the Dark by Chokemeplease (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
16. To Murder a God (Rewrite) by scripturiented (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan, 어느날 공주가 되어버렸다 | Who Made Me A Princess (Webcomic))
17. Promise me, This Time We Will Fight Together by Blueberryxp (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
18. Puppy Love by 4loeVer4_plant (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
19. Epiphany by mishamoonberry (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
20. Scarred Heart, Tiny Hands [DISCONTINUED] by MilkyMiks (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)