# The Diary of a Middle-Aged Teacher's Carefree Life in Another World #090

Canonical: https://www.bookquiver.com/yasukiyo-kotobuki/the-diary-of-a-middle-aged-teachers-carefree-life-in-another-world-090/9798899249204

![The Diary of a Middle-Aged Teacher's Carefree Life in Another World #090](https://quivercdn.com/covers/manga-up/yasukiyo-kotobuki/the-diary-of-a-middle-aged-teachers-carefree-life-in-another-world-090_979-88-9924-920-4-1ce62515.jpg?v=2026-09-24%2005%3A14%3A54)

- Book: [The Diary of a Middle-Aged Teacher's Carefree Life in Another World #090](https://www.bookquiver.com/yasukiyo-kotobuki/the-diary-of-a-middle-aged-teachers-carefree-life-in-another-world-090) ([The Diary of a Middle-Aged Teacher's Carefree Life in Another World #090.md](https://www.bookquiver.com/yasukiyo-kotobuki/the-diary-of-a-middle-aged-teachers-carefree-life-in-another-world-090.md))
- Authors: [Yasukiyo Kotobuki](https://www.bookquiver.com/yasukiyo-kotobuki), [Maneki](https://www.bookquiver.com/maneki), [Ryu Nishino](https://www.bookquiver.com/ryu-nishino), [Junpei Okazaki](https://www.bookquiver.com/junpei-okazaki), [Johndee](https://www.bookquiver.com/johndee)
- Publisher: manga_up
- Medium: ebook
- ISBN: 979-88-9924-920-4
- Published: 2026-07-31
- Language: en_US
- Binding: E-book

## Description

A fantasy where the greatest production mage and his new demi-human friends work together to craft a splendid nation! Joshua is an overworked, underpaid production mage for the prestigious Knights of...