How to keep kappa (1-15 volumes)

Publisher: Shueisha
Author: Yugo Ishikawa
Size: 148mm x 210mm
Number of books: 15
Language: Japanese
Category: Youth manga, manga
Latest release date: 2010-10-19

Synopsis:
A parallel world story where kappa and humans coexist. Japan during the high economic growth period. In the past, wild kappa was normally seen, but now it's completely gone. Meanwhile, making a kappa, a kappa cultured among people, was a secret boom. "I", who lived alone in the city, bought a baby kappa at a pet shop and named it "Katan".