Also known as: マドンナはガラスケースの中
Manga by Suguwara Esuko
("Madonna in a Glass Case")
Yuya Yamamoto (32 years old) works in a pet shop specializing in reptiles. He's a bit of a reptile fetishist. Although he has no luck with women, he manages to remain fairly happy. Suddenly when a beautiful girl shows up wanting to buy a gecko, his life changes ... !?
Description on J-Nbooks.jp (Japanese)