Kaitou Queen wa Circus ga Osuki
怪盗クイーンはサーカスがお好き
Kaitou Queen wa Circus ga Osuki en Cuevana. A phantom thief queen—whose age and gender are unknown—flies around the world on an airship in search of treasure. A gemstone the queen had their sights on is stolen from them by a mysterious circus troupe, and a game soon unfolds between the queen and the troupe's magicians, hypnotists, and other members wielding special abilities.