Zenryoku Usagi (2008)
Original title: 全力ウサギ
Zenryoku Usagi is a 2008 Japanese-language animation series. It stars Touko Aoyama, Wataru Takagi and Keikou Sakai.
A very different group of rabbits (humans) work together in a construction company which has the motto of "doing your best". They use this motto for everything, work your best, eat your best, play your best. They look out for each other and several stories are not related to construction, but to other experiences they have together.