Nanako SOS

A young girl named Nana suddenly gains supernatural abilities and loses her memories. A high school student and scientific prodigy named Marlow witnesses this event. Motivated by his own ambitions, he convinces Nana to join his detective agency, offering to help her recover her past. Unaware of his true intentions, Nana agrees. Marlow aims to use her powers for the agency's benefit. As Nana faces various perilous cases and strange occurrences, her cheerful personality aids her in overcoming each challenge and solving the mysteries that come her way.