Tadano Kogyo Koko No Nichijo

• Name — Tadano Kōgyō Kōkō no Nichijō • Ja Kanji — 只野工業高校の日常 • Genre — Comedy

• Type — manga • Author — Chisato Oga • Publisher — Shueisha • Imprint — Young Jump Comics • Magazine — Ultra Jump • First — July 19, 2019 • Volumes — 14 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.