Shiina-kun no Torikemo Hyakka

Shiina is a serious man who has wanted to be a zoology professor since he was a child. He was infamous for always carrying around many massive books and now Shiina works diligently to train future zoologists at a university while looking after his childfood friend, Chitose. Chitose is also an associate professor of biology and walks around everywhere with penguins, making him quite infamous. This manga focuses on the trials, tribulations, and future of the young associate professor, Shiina.