10 Manga Like Romantic Killer — Data-Driven Picks (2026)

If you finished Romantic Killer and want your next read, these recommendations are not someone's opinion — they are computed from comic-lab's database of every manga published in Japan since 1968, combining three similarity axes (art style, setting, story) with real reader-behavior data.

1. Witch Watch (ウィッチウォッチ)

by 篠原健太 · since 2021 · 25 volumes in Japan · ongoing

Why it matches: close in setting & themes and story & tone.

Find on Amazon Japanese editions (CDJapan)

2. Kill Blue (キルアオ)

by 藤巻忠俊 · since 2023 · 11 volumes in Japan · ongoing

Why it matches: close in setting & themes and story & tone.

Find on Amazon Japanese editions (CDJapan)

3. You and I Are Polar Opposites (正反対な君と僕)

by 阿賀沢紅茶 · since 2022 · 8 volumes in Japan · no new volumes in recent years

Why it matches: close in setting & themes and story & tone.

Find on Amazon Japanese editions (CDJapan)

4. Kowloon Generic Romance (九龍ジェネリックロマンス)

by 眉月じゅん · since 2020 · 10 volumes in Japan · ongoing

Why it matches: close in setting & themes and story & tone.

Find on Amazon Japanese editions (CDJapan)

5. Sorry About My Little Brothers (うちの弟どもがすみません)

by オザキアキラ · since 2020 · 14 volumes in Japan · ongoing

Why it matches: close in story & tone and setting & themes.

Find on Amazon Japanese editions (CDJapan)

6. Baban Baban Ban Vampire (ババンババンバンバンパイア)

by 奥嶋ひろまさ · since 2022 · 13 volumes in Japan · ongoing

Why it matches: close in setting & themes and story & tone.

Find on Amazon Japanese editions (CDJapan)

7. Herami Shimai wa Docchi mo Yanderu (平良深姉妹はどっちもヤんでる)

by 金子ある · since 2023 · 5 volumes in Japan · ongoing

Why it matches: close in story & tone and setting & themes.

Find on Amazon Japanese editions (CDJapan)

8. World's End Harem (終末のハーレム)

by LINK · since 2016 · 17 volumes in Japan · publication status unknown

Why it matches: readers who look up this series often move on to it; close in story & tone and setting & themes.

Find on Amazon Japanese editions (CDJapan)

9. RuriDragon (ルリドラゴン)

by 眞藤雅興 · since 2022 · 6 volumes in Japan · ongoing (next volume already scheduled in Japan)

Why it matches: close in setting & themes and story & tone.

Find on Amazon Japanese editions (CDJapan)

10. From Bureaucrat to Villainess (悪役令嬢転生おじさん)

by 上山道郎 · since 2020 · 11 volumes in Japan · ongoing (next volume already scheduled in Japan)

Why it matches: close in setting & themes and story & tone.

Find on Amazon Japanese editions (CDJapan)
Method: similarity is computed over cover-art embeddings, thematic categories and plot descriptions of 133,000+ works, blended with co-reading behavior. Volume counts and dates reflect Japanese editions and update automatically.

→ Japan Manga Release Calendar (upcoming volumes)