Kagakuteki ni Sonzai shiuru Creature Musume no Kansatsu Nisshi  

The observation diary of scientifically-existing creature girls., 科学的に存在しうるクリーチャー娘の観察日誌, Creature Girls: A Hands-On Field Journal in Another World

Daisuke has always been intrigued by the distinctive beauty of monster girls, which are part cat, horse or spider. In a world filled with diverse demihuman life, he quickly sets out to explore and analyze as many creatures as possible. Given his background as a scientist and his current circumstances, it makes perfect sense for Daisuke to become the harem king of creature girls!

Kagakuteki ni Sonzai shiuru Creature Musume no Kansatsu Nisshi has been published in English as Creature Girls: A Hands-On Field Journal in Another World by Seven Seas Entertainment under the Ghost Ship imprint since June 4, 2019.