This article is about the manga. For the title character and ability, see Yuuri Senya.

Toaru Kagaku no Railgun Gaiden: Astral Buddy (とある科学の超電磁砲 (レールガン) 外伝 アストラル・バディ Toaru Kagaku no Choudenjihou (Rērugan) Gaiden Asutoraru Badi?) is the eighth manga series that is based off the Toaru Majutsu no Index franchise and the fourth to be published in Monthly Comic Dengeki Daioh following Toaru Idol no Accelerator-sama. The series is a spinoff to Toaru Kagaku no Railgun and is an original story written by Kamachi Kazuma with artwork done by Nogi Yasuhito.

The series began serialization on April 26, 2017. Seven Seas Entertainment later acquired the license to localize the manga.[1]


The events of the manga feature Hokaze Junko, a prominent girl in Shokuhou Misaki's clique previously referred to as the ringlet curl girl, as the main character as she gets involved in an incident that takes place alongside the Dream Ranker Arc in the parent series.[2]

The manga's announcement coincided with the 10th Anniversary of the Toaru Kagaku no Railgun manga. It was also announced alongside 5 other new series including a new Kino no Tabi -the Beautiful World- manga.[3]


Chapters and VolumesEdit

Astral Buddy Manga Volume 01
First Part of the Astral Buddy Arc
Astral Buddy Manga v01 cover

Date of Release (JP) November 27, 2017

(EN) February 19, 2019

ISBN (JP) ISBN 978-4-04-893434-3

(EN) ISBN 978-1-642750-36-2

Number of Pages 172 pages
Cover Character(s) Shokuhou Misaki, Shirai Kuroko,
Hokaze Junko and Yuuri Senya
Shokuhou Misaki's clique is, of course, made out of only middle school girls from Tokiwadai.

The ringlet curl girl of Shokuhou's clique—Hokaze Junko. This girl is the owner of the Level 4 ability Rampage Dress...

Astral Buddy Manga Volume 02
Second Part of the Astral Buddy Arc
Astral Buddy Manga v02 cover

Date of Release (JP) September 27, 2018

(EN) July 23, 2019

ISBN (JP) ISBN 978-4-04-912050-9

(EN) ISBN 978-1-642750-76-8

Number of Pages 194 pages
Cover Character(s) Hokaze Junko and Shokuhou Misaki
The number 2 of Shokuhou's clique, the "Ringlet Curl Girl", Hokaze Junko, has her body possessed by the ghost girl and played around with her all day.

Meanwhile, Shokuhou Misaki is chasing after the disturbing event happening in Tokiwadai Middle School under the surface. However, she falls for the enemy's devious trap and loses consciousness. Hokaze Junko rushes to save Shokuhou, however, strong enemies surround her……?

Chapters Not Yet in Volume FormatEdit

Numbered ChaptersEdit

Special ChaptersEdit