Checking enthusiast-run wikis or comprehensive entertainment registries like Kana Yume's IMDb Profile can help cross-reference exact release dates and alternative titles.

: The story typically follows Investigator Kana as she attempts to solve a case or infiltrate a secure location, often resulting in her capture. Themed Costuming

or official fan pages for behind-the-scenes content and updates on new releases in the Investigator series.

Detective Kana, a sharp and resourceful investigator, stood outside the grand mansion of the wealthy and influential Acme family. She had been summoned to the mansion to investigate a peculiar case. The family's most treasured heirloom, a priceless video recording of Kana Yume, a famous Japanese actress from the 1950s, had gone missing.

The missing persons case involved two young women, Kana Yume, a freelance journalist known for her fearless pursuit of the truth, and her sister, Akira Yume, a talented artist whose disappearance, along with Kana, had left their family in despair.

If you are looking for for archival purposes or want to know the general history of the "female investigator" genre in Japanese media, I can certainly help with that. If you'd like to dive deeper, let me know:

High emphasis on detailed, accurate uniforms, tactical gear, and aesthetic styling to clearly define the heroic and villainous roles.

The character starts as a figure of authority (a detective or investigator) attempting to solve a case or infiltrate an organization.

“Watch it once. Then you’ll understand why I don’t call you ‘Investigator’ anymore.”