astral buddy
とある科学の超電磁砲外伝 アストラル・バディ (To Aru Kagaku no Railgun Gaiden: Astral Buddy)
A spin-off manga of To Aru Kagaku no Railgun written by Kamachi Kazuma and drawn by Nogi Yasuhito, starring Hokaze Junko and other Tokiwadai students and taking place in Tokiwadai Middle School.