Cat's Eye  

キャッツ・アイ, Cat's Ai, キャッツ♥愛, キャッツ アイ

The main characters in the series are three sisters named Hitomi, Rui, and Ai who operate a café called "Cats Eye." In addition to running their business, they secretly engage in art theft as a trio known as the "Cats Eye Gang." Their target is artwork that belonged to their father, Heinz, an infamous art collector during World War II. The sisters believe he may be contacting them through these stolen pieces. Toshio, a police officer, is investigating this case and is also engaged to Hitomi. His mission is to capture the Cats Eye Gang and bring them to justice.