Polar Bear Café: Collector's Edition manga volume 4 features story and art by Aloha Higa.

Polar Bear-san runs a relaxing café that serves delicious coffee roasted by Tree Kangaroo-san. Tree Kangaroo-san's apprentice, Masaki, is training to become a master roaster, alongside his experienced staff of red squirrels. Meanwhile, is zookeeper Handa-san and waitress Sasako-san's relationship headed in an unexpected direction?! Sit back and enjoy volume 4 of this heartwarming slice-of-life about various creatures that share their lives and work.