Tadano Kōgyō Kōkō no Nichijō (只野工業高校の日常; lit. “Daily Lives of Tadano Technical High School”) is a Japanese manga series written and illustrated by Chisato Oga. It was originally published as a webcomic on the author’s Twitter account in September 2017. A one-shot was later published in Shueisha‘s seinen manga magazine Ultra Jump in December 2018. It later began serialization in the same magazine in July 2019.

The series is set in a high school in the snowy countryside whose student body is predominantly male. The male students, despite having a delinquent-like appearance, take their studies very seriously to comic effect.

Written and illustrated by Chisato Oga, Tadano Kōgyō Kōkō no Nichijō was originally published as a webcomic on Oga’s Twitter account on September 24, 2017. A one-shot was published in Shueisha‘s seinen manga magazine Ultra Jump on December 19, 2018. It later began serialization in the same magazine on July 19, 2019. The series’ chapters have been compiled into fourteen tankōbon volumes as of February 2026.

The series was nominated for the sixth Next Manga Awards in 2020 in the print category, and was ranked tenth out of 50 nominees. The series won the grand prize at NTT Solmare’s “Minna ga Erabu!! Denshi Comic Taishō 2022” competition in 2022.

Tadano Kōgyō Kōkō no Nichijō
First tankōbon volume cover
只野工業高校の日常
Genre	Comedy
Manga
Written by	Chisato Oga
Published by	Shueisha
Imprint	Young Jump Comics
Magazine	Ultra Jump
Original run	July 19, 2019 – present
Volumes	14