Okitegami Kyouko no Kakeibo

掟上今日子の家計簿

The seventh instalment of the Boukyaku Tantei Series. The famous detective known as Okitegami Kyouko loses her memories whenever she sleeps. She solves every case she takes on the same day, but today she receives a difficult case from a troubled detective. For some reason, she is called to an amusement park instead of a crime scene. The request is to clear a huge escape game faster than a suspect in a case......? She is beautiful, fashionable, and loves money. A time-constrained mystery with the forgetful detective, Kyouko-san! (Source: Kodansha, translated)