A Penguin's TroublesA Penguin's Troubles.

A Penguin's Troubles (Japanese: ペンギンの問題; Penguin no Mondai) is a Japanese manga series created by Yūji Nagai. It follows a troubled penguin who attends the middle school, and likes to eat hamburgers and hot chips. It is published by Shogakukan and has been collated into 15 tankōbon volumes as of January 2013.