What a Wonderful World! is a Japanese manga series written and illustrated by Inio Asano. It consists of loosely connected short stories about young adults in modern Japan and their life decisions. Wikipedia
Authors: Inio Asano and Mizuki Hoshino
Magazine: Monthly Sunday Gene-X
English publisher: Viz Media
Genre: Comedy, slice of life
Original run: June 2002 – April 2004
Volumes: 2