Dr. Kawase specialized in veterinary medicine at Rakuno Gakuen University and obtained a veterinary license. Subsequently, he studied cardiac surgery at Chayagasaka Animal Hospital in Nagoya, Aichi Prefecture. Later, while attending the graduate school of Rakuno Gakuen University, he worked at the Heart Animal Medical Center. Since 2014, he has been working as the director and director at the current Sapporo Night Animal Hospital. Additionally, he serves as the chairman of JaVECCS, a director of pet BLS, and as a part-time lecturer at Hokkaido University, instructing emergency medicine to students from Hokkaido University and Obihiro University of Agriculture and Veterinary Medicine.