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Novel O

Opal Bunko

Japanese: オパール文庫

Circulation: 2014/04 - ?

Publisher: Printemps Shuppan

Links:

Official Site

Info:

H (ero) romance light novels for adult females. The light novels are referred to as "Joshi Roma Kei" (woman romance system) novels. It's published by Printemps Shuppan, and sold through France Shoin. The label started on April 4th, 2014 with the release of three light novel volumes.

Otomate Novel (Otomeito Novel)

Japanese: オトメイトノベル

Size: Duodecimo/Twelvemo
Release Date: Monthly; 20th
Circulation: 2015/05 - ?

Publisher: Hifumi Shobo

Info:

Novelization of female oriented romance games (otome games) that are released under the female oriented romance game (otome game) brand Otomate. The label started on May 20th, 2015 with the release of two light novel volumes.

Otome BL Bunko

Japanese: 乙女・BL文庫

Circulation: 2012/04 - ?

Publisher: NO17

Info:
A light novel label aimed at females in their teens to their thirties. Original light novels are published under this label. The label started on April 27th, 2012 with the release of the first light novel volume under this label.

Otomitsu Milky Bunko (Otomitsu Milky Label)

Japanese: 乙蜜ミルキィ文庫

Circulation: 2013/11 - ?

Publisher: Libre Shuppan

Links:

Official Site

Info:

An otome-kei and teens love (TL) light novel bunko label. Intensely romantic light novels aimed at adult women are published under the label. It started on November 14th, 2013 with the release of three light novel volumes.

Otona Bunko

Japanese: オトナ文庫

Circulation: 2014/09 - ?

Publisher: Paradigm

Links:

Official Site

Info:

Adult light novels that are aimed at an adult male readership. The label started on September 12th, 2014 with the release of two light novel volumes.

Overlap Bunko

Japanese: オーバーラップ文庫

Circulation: 2013/04 - ?

Publisher: OVERLAP

Links:

Official Site
Overlap Bunko Public Relations Office

Info:

Described as an entertainment light novel label. The label is scheduled to start on April 25th, 2013, and will publish works of various genres: School-life, Fantasy, Love & Battle, ... Some light novels published under the light novel label MF Bunko J are moving to the Overlap Bunko label.

Overlap Novels

Japanese: オーバーラップノベルス

Circulation: 2015/05 - ?

Publisher: OVERLAP

Links:

Official Site

Info:

A light novel label that publishes web novels from the free online publishing website "Shousetsuka ni Narou" in paper format, and original novel works. The label is aimed at adults. It started on May 25th, 2015 with the release of two light novel volumes.

Ovis Novels

Japanese: オヴィスノベルズ

Publisher: Akane Shinsha

Links:

Official Site