Fics like Before noticing it, I had fallen under the merman's charms.

There is a secret at the Henituse Estate, only three people are aware of this information: the head butler, his son, and the first young master. However, after years without a mishap, they seem to have let their guard down too much. Crown Prince Alberu Crossman finds the secret in a pond.

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1. Conflicted Ties by Secaada (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan, Twisted-Wonderland (Video Game), more)
2. 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)
3. All Male Leads are obsessed with me by EanNi (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
4. Set Your Heart Aflame by caleyaa (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))
5. End My Suffering Dear Duke! by Aceresa (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
6. Locked Within a Treasure by MistedSilkmoth (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan, 전지적 독자 시점 - 싱숑 | Omniscient Reader - Sing-Shong)
7. Third Time's the Charm by divisiblebyfour (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
8. Honeyed Disaster by TiredBananaWannaRetire (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
9. Crimson, Color of Change by Kiyochivist (전지적 독자 시점 - 싱숑 | Omniscient Reader - Sing-Shong, 백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
10. You thought that's it? by Luna_xx5 (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan, 데뷔 못 하면 죽는 병 걸림 - 백덕수 | Debut or Die - Baek Deoksoo)
11. 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))
12. This Time, I’ll Stay by Zumix_Xx (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan, Ouran High School Host Club - All Media Types)
13. Tackling Tuesday (let’s flip everything over together) by Vodkassassin (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
14. Creating a Monster by Verzy (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
15. Forced Employment? How about Forced invasion of privacy! by Shadow08081, Vidow_The_Witch (僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), 백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
16. 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))
17. Heya Eruberry by Ventrixx (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
18. Snakes and Irises by Greetingshi (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
19. everything you love (will burn up in the light) by xofreaksh0w (Twisted-Wonderland (Video Game), 백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)
20. ignoring my problems is always a choice by strwbrrykitty (백작가의 망나니가 되었다 - 유려한 | Lout of Count's Family | Trash of the Count's Family - Yulyeohan)