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Manga like Killing Line

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Cover of Firefly Wedding

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Firefly Wedding

Hotaru no Yomeiri

2023, Manga, 79 ch, 79%

Recommended by 29 Killing Line fans on AniList. The same kind of story: awkward late-bloomer adult romance.

On the surface, Satoko has it all—she’s beautiful, the daughter of a nobleman, and at a prime age for marriage. Unfortunately, she is also quite ill and only has a short time left to live. Before she can secure a marriage that will redeem her worth in her family’s eyes, she…

More manga for fans of Killing Line

  1. Cover of Re-Living My Life with a Boyfriend Who Doesn't Remember Me
    Re-Living My Life with a Boyfriend Who Doesn't Remember Me

    2022, Manga, ongoing, 85%

    Time Loop, Shoujo, Female Protagonist

  2. Cover of Changing the Genre From Angst to Heartwarming
    Changing the Genre From Angst to Heartwarming

    2024, Manga, ongoing, 69%

    Maids, Curses, Female Protagonist

  3. Cover of Love by Mistake
    Love by Mistake

    2024, Manga, ongoing, 83%

    Office Lady, Office, Tsundere

  4. Cover of Aru Koroshiya no Kanwa
    Aru Koroshiya no Kanwa

    2024, Manga, 9 ch, 62%

    Recommended by 4 Killing Line fans on AniList.

  5. Cover of Tales of the Tendo Family
    Tales of the Tendo Family

    2014, Manga, ongoing, 77%

    Historical, Shoujo, Female Protagonist

  6. Cover of How to Win My Husband Over
    How to Win My Husband Over

    2021, Manga, ongoing, 82%

    Primarily Adult Cast, Female Protagonist, Marriage

  7. Cover of Futarijime Romantic
    Futarijime Romantic

    2023, Manga, 14 ch, 79%

    Female Protagonist, Heterosexual, Shoujo

  8. Cover of Mistaken as the Monster Duke's Wife
    Mistaken as the Monster Duke's Wife

    2024, Manga, 68 ch, 73%

    Full Color, Heterosexual, Long Strip

  9. Cover of Choking on Love
    Choking on Love

    2022, Manga, ongoing, 79%

    Shoujo, Primarily Adult Cast, College

  10. Cover of My Secret Crush
    My Secret Crush

    2021, Manga, 140 ch, 81%

    Unrequited Love, Heterosexual, Age Gap

  11. Cover of The Rules of Rose Ivy Manor
    The Rules of Rose Ivy Manor

    2022, Manga, 55 ch, 71%

    Female Protagonist, Isekai, Full Color

  12. Cover of Nengara Nenbyaku Ansatsu Renka
    Nengara Nenbyaku Ansatsu Renka

    2019, Manga, ongoing, 69%

    Assassins, Shoujo, Female Protagonist

  13. Cover of Haru’s Curse
    Haru’s Curse

    2015, Manga, 10 ch, 75%

    The same kind of story: awkward late-bloomer adult romance.

  14. Cover of Selfish Romance
    Selfish Romance

    2024, Manga, ongoing, 81%

    Heterosexual, Fake Relationship, Primarily Adult Cast

  15. Cover of Your Ryan
    Your Ryan

    2025, Manga, ongoing, 83%

    Historical, Heterosexual, Full Color

  16. Cover of Bibliophile Princess
    Bibliophile Princess

    2018, Manga, ongoing, 70%

    Heterosexual, Politics, Female Protagonist

  17. Cover of My Darling Next Door
    My Darling Next Door

    2020, Manga, 19 ch, 69%

    Age Gap, Heterosexual, Gyaru

  18. Cover of Villainess in Love
    Villainess in Love

    2019, Manga, 105 ch, 77%

    Full Color, Heterosexual, Primarily Adult Cast

  19. Cover of Black Sesame Salt and Custard Pudding
    Black Sesame Salt and Custard Pudding

    2018, Manga, 20 ch, 78%

    Age Gap, Josei, Primarily Adult Cast

  20. Cover of My In-Laws are Obsessed with Me
    My In-Laws are Obsessed with Me

    2021, Manga, ongoing, 80%

    Family Life, Heterosexual, Female Protagonist

  21. Cover of Moralless Scandal
    Moralless Scandal

    2025, Manga, 81 ch, 75%

    Both have Guns.

  22. Cover of Kuroko and Her Sweet Villain
    Kuroko and Her Sweet Villain

    2024, Manga, 8 ch, 73%

    Shoujo, Heterosexual, Female Protagonist

  23. Cover of How to survive as a maid in a horror game
    How to survive as a maid in a horror game

    2023, Manga, 110 ch, 76%

    Demons, Isekai, Maids

Anime for fans of Killing Line

Firefly Wedding2026, TV, 12 eps, ongoing, 76% Ping Pong the Animation2014, TV, 11 eps, 86% Delicious in Dungeon2024, TV, 24 eps, 85% Steins;Gate2011, TV, 24 eps, 89% The Apothecary Diaries2023, TV, 24 eps, 88% Journal with Witch2026, TV, 13 eps, 87% Princess Mononoke1997, Movie, 1 ep, 85% To Be Hero X2025, ONA, 24 eps, 85%

About Killing Line

2023, Manga, 20 ch, 66%

Abandoned on her 18th birthday by her absent single father, Mako struggles to make ends meet. When her friend offers to introduce her to a sugar daddy for a casual dinner and some conversation, it all seems straightforward and simple. Little does Mako know, someone else has their sights set on her date—a ruthless assassin on a mission to take out his target and leave no witnesses… Before she realizes it, Mako's late-night liaison turns into a deadly encounter with a contract killer, and now, she'll need to think fast, be resourceful, and turn on the charm to survive. Can she melt the heart of a cold-blooded hit man or will this potential beau get the best of her? Find out in this thrilling new black comedy with life-and-death stakes from the author of Searching for My Perfect Brother.

(Source: Kodansha USA)

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