Okitegami Kyouko no Ryokouki

The eighth entry in the Boukyaku Tantei Series features a forgetful detective named Okitegami Kyouko, who travels to Paris after being invited to prevent a bold crime. A phantom thief declares intent to steal the Eiffel Tower, but the actual scheme involves tricking Kyouko into committing the theft herself. The case includes stolen memories and a cleverly designed trap. Kyouko's assistant, Kakushidate Yakusuke, must find a way to rescue her from the thief's plan.