A Couple Clucking Chickens Were Kickin’ in the Schoolyard(2011)

Niwa ni wa Niwa Niwatori ga Ita.

A strange world where aliens have taken over the human world, and only two humans are left which are apparently disguising themselves as mere chickens.

Fujimoto Tatsuki's first one-shot when he was only 17, and it also contains a special interview section!