苺ましまろ
Ichigo Mashimaro
Its based on a manga thats serialized in the seinen(young men's) manga magazine
Dengeki Daioh
For now there are 4 volumes released of this seinen manga, here are the covers:
Genre: Seinen, Comedy.
Ichigo Mashimaro is a seinen manga/anime.
There is also a visual book which will be released on january 2006, here is the cover: