Boku no Dobutsuen Nikki

Author: Koichi Iimori, Toshio Nishiyama

Run: 1972–1975

Chapters: 99

Genres: Slice of Life

A diary-style chronicle of a young zookeeper's daily life raising and caring for animals, modeled on real-life keeper Toshio Nishiyama's years working at Ueno Zoo.