Danjo-hi 1:5 no Sekai demo Futsū ni Ikirareru to Omotta?

Danjo-hi 1:5 no Sekai demo Futsū ni Ikirareru to Omotta?: Gekiomoi Kanjō na Kanojo-tachi ga Mujikaku Danshi ni Honrō Saretara
First light novel volume cover
男女比１：５の世界でも普通に生きられると思った？　～激重感情な彼女たちが無自覚男子に翻弄されたら～
GenreRomantic comedy
Novel series
Teisō Kannen Gyakuten Sekai Dakedo Futsū ni Ikirareru to Omoikonderu Yatsu: Danjo-hi 1:5 no Sekai Demo Futsū ni Ikirareru to Omotta?
Written byKōtarō Mifuji
Published by
Original runMay 15, 2022 – present
Light novel
Written byKōtarō Mifuji
Illustrated byJimmy
Published byASCII Media Works
ImprintDengeki Bunko
Original runFebruary 9, 2024 – present
Volumes5
Manga
Written byKōtarō Mifuji
Illustrated byYui Momoki
Published byKadokawa Shoten
ImprintKadokawa Comics A
MagazineMonthly Shōnen Ace
Original runOctober 25, 2024 – present
Volumes2

Danjo-hi 1:5 no Sekai demo Futsū ni Ikirareru to Omotta?: Gekiomoi Kanjō na Kanojo-tachi ga Mujikaku Danshi ni Honrō Saretara (男女比１：５の世界でも普通に生きられると思った？　～激重感情な彼女たちが無自覚男子に翻弄されたら～) is a Japanese light novel series written by Kōtarō Mifuji and illustrated by Jimmy. It was originally serialized as a web novel on the online publication platforms Shōsetsuka ni Narō and Kakuyomu beginning in May 2022, before ASCII Media Works began publishing it as a light novel under its Dengeki Bunko imprint in February 2024; five volumes have been published as of January 2026. A manga adaptation illustrated by Yui Momoki began serialization in Kadokawa Shoten's Monthly Shōnen Ace magazine in October 2024, with two volumes released as of August 2025.

Plot

Masato Katasato, a recent high school graduate, finds himself transported to an alternate world with a 1:5 male-to-female ratio. Because of this, women became interested in the limited men in this world. Masato finds himself being the object of attraction of multiple women, all while trying to live normally despite the circumstances of his new world.

Characters

Masato Katasato (片里 将人, Katasato Masato)
A recent high school graduate who had been preparing to enter university before he was transported to another world. He is currently a university student in the new world. Despite his efforts to live a normal life, multiple women become attracted to him.
Aika Tsukuda (附田 藍香, Tsukuda Aika)
The owner of a boy's bar called Festa, where Masato works part-time. Although she is married, she is currently not living with her husband. She has been taking care of Masato since he came into this world, and he considers her his guardian.
Koumi Igarashi (五十嵐 恋海, Igarashi Koumi)
Voiced by: Hikaru Tono (PV)[1]
A first-year college student, who belongs to the same department and faculty as Masato. She first befriended Masato when he was working on his university acceptance. She becomes his first friend at university and quickly develops feelings for him.
Yuka Maeda (前田 由佳, Maeda Yuka)
Voiced by: Hikaru Tono (PV)[1]
A middle-school student and a member of the basketball club. She initially befriended Masato shortly after he arrived in this world, and she treats him like an older brother.
Mizuho Tonosaki (戸ノ崎 みずほ, Tonosaki Mizuho)
Voiced by: Hikaru Tono (PV)[1]
Koumi's best friend, who teases her regarding her apparent feelings. She and Mizuho were previously members of the tennis club.
Seira Mochizuki (望月 星良, Mochizuki Seira)
Voiced by: Hikaru Tono (PV)[1]
An office worker who became a regular at Festa. She often picks Masato to serve her whenever she comes.
Shiori Shinomiya (篠宮 汐里, Shinomiya Shiori)
Voiced by: Hikaru Tono (PV)[1]
A second-year high school student and the daughter of Aika's acquaintance. Masato starts tutoring her as she is aiming to enter his university. She develops feelings for Masato as he reminds him of the heroes of the romance novels she read. She used to wear glasses but changed her appearance.

Media

Light novel

The series is written by Kōtarō Mifuji, who originally began posting it as a web novel on the on the online publication platform Shōsetsuka ni Narō on May 15, 2022, under the pen name Tarotaro; the series was originally posted under the title Teisō Kannen Gyakuten Sekai Dakedo Futsū ni Ikirareru to Omoikonderu Yatsu: Danjo-hi 1:5 no Sekai Demo Futsū ni Ikirareru to Omotta? (貞操観念逆転世界だけど普通に生きられると思い込んでる奴（男女比１：５の世界でも普通に生きられると思った？）).[2] The series also began serialization on Kadokawa's Kakuyomu service three days later.[3]

The series was later picked up for publication by Kadokawa's subsidiary ASCII Media Works, which began publishing it as a light novel under their Dengeki Bunko imprint, featuring illustrations by Jimmy. The first volume was released on February 9, 2024;[4] five volumes have been released as of January 9, 2026.[5]

No. Release date ISBN
1February 9, 2024[4]978-4-04-915437-5
2June 7, 2024[6]978-4-04-915649-2
3December 10, 2024[7]978-4-04-915910-3
4May 10, 2025[8]978-4-04-916305-6
5January 9, 2026[5]978-4-04-916719-1

Manga

A manga adaptation illustrated by Yui Momoki began serialization in Kadokawa Shoten's Monthly Shōnen Ace magazine on October 25, 2024.[9] The first tankōbon volume was released on April 25, 2025;[10] two volumes have been released as of August 26, 2025.[11] Two promotional videos featuring Hikaru Tono were released to promote the first volume.[1][12]

No. Japanese release date Japanese ISBN
1April 25, 2025[10]978-4-04-116055-8
2August 26, 2025[11]978-4-04-116635-2
3February 25, 2026[13]978-4-04-117161-5

Reception

The manga adaptation ranked 9th in a list of the most popular manga serialized on the Niconico service for the first half of 2025.[14]

References

  1. ^ a b c d e f "「男女比1：5の世界」1巻、遠野ひかるが1人5役でヒロイン演じるPV2種も公開". Natalie (in Japanese). Natasha, Inc. April 25, 2025. Retrieved January 3, 2026.
  2. ^ "貞操観念逆転世界だけど普通に生きられると思い込んでる奴（男女比１：５の世界でも普通に生きられると思った？）". Shōsetsuka ni Narō (in Japanese). Retrieved January 3, 2026.
  3. ^ "貞操逆転世界で普通に生きられると思い込んでる奴（男女比１：５の世界でも普通に生きられると思った？）". Kakuyomu (in Japanese). Kadokawa Corporation. Retrieved January 3, 2026.
  4. ^ a b "男女比1：5の世界でも普通に生きられると思った？ ～激重感情な彼女たちが無自覚男子に翻弄されたら～" (in Japanese). Kadokawa Corporation. Retrieved January 3, 2026.
  5. ^ a b "男女比1：5の世界でも普通に生きられると思った？(5) ～激重感情な彼女たちが無自覚男子に翻弄されたら～" (in Japanese). Kadokawa Corporation. Retrieved January 3, 2026.
  6. ^ "男女比1：5の世界でも普通に生きられると思った？(2) ～激重感情な彼女たちが無自覚男子に翻弄されたら～". Kadokawa Corporation. Retrieved January 3, 2026.
  7. ^ "男女比1：5の世界でも普通に生きられると思った？(3) ～激重感情な彼女たちが無自覚男子に翻弄されたら～". Kadokawa Corporation. Retrieved January 3, 2026.
  8. ^ "男女比1：5の世界でも普通に生きられると思った？(4) ～激重感情な彼女たちが無自覚男子に翻弄されたら～". Kadokawa Corporation. Retrieved January 3, 2026.
  9. ^ "少年エース30周年！車田正美、貞本義行、田島昭宇、CLAMP…レジェンド集結の別冊付き". Natalie (in Japanese). Natasha, Inc. October 25, 2024. Retrieved January 3, 2026.
  10. ^ a b "男女比1：5の世界でも普通に生きられると思った？　～激重感情な彼女たちが無自覚男子に翻弄されたら～ １". Web Ace (in Japanese). Kadokawa Corporation. Retrieved January 3, 2026.
  11. ^ a b "男女比1：5の世界でも普通に生きられると思った？　～激重感情な彼女たちが無自覚男子に翻弄されたら～ ２". Web Ace (in Japanese). Kadokawa Corporation. Retrieved January 3, 2026.
  12. ^ "『男女比1：5の世界でも普通に生きられると思った？』コミックス1巻が発売！遠野ひかるが5人のヒロインを熱演した記念PVも". Abema Times (in Japanese). Abema. April 30, 2025. Retrieved January 3, 2026.
  13. ^ "男女比1：5の世界でも普通に生きられると思った？　～激重感情な彼女たちが無自覚男子に翻弄されたら～ ３". Web Ace (in Japanese). Kadokawa Corporation. Retrieved January 23, 2026.
  14. ^ "ニコニコ漫画 上半期ランキング2025発表】 SNSで話題となったラブコメ漫画が上位を席巻！". Niconico (in Japanese). June 18, 2025. Retrieved January 3, 2026.
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