Bokura wa Itai Ikimono da.

is a Japanese manga series written and illustrated by Akai Ginkou. The manga was serialized in the Dengeki Maoh magazine and published in Japan by ASCII Media Works under the Dengeki Comics NEXT imprint from August 2013.

Synopsis
Osamu Sugawara, a boy who quit playing tennis, which he loved, and became empty under the summer sky in Akihabara. He met Heidi, a girl who was crazy about doujinshi activities in the game "One Doubles". "Pumpy" and "nerd" -two people who naturally clashed opinions. The vow tells Heidi that she will show her victory and defeat by drawing her douujinshi too ...?

(Source: Bookwalker JP - Translated)