The series originated as a V-Cinema (direct-to-video) release in Japan, starring as the charismatic Hotaru Amami. While primarily known for its adult-leaning "softcore caper" style, the series is praised for its commitment to a "mind games over guns" approach to problem-solving.

In Volume 4, private investigator Hotaru Amami and her law-student assistant, , take on a complex case involving "sample cosmetics" scams. The narrative follows:

: Critics from Letterboxd have noted that the interplay between Hotaru and her junior colleagues provides a grounded, human touch to the cold business of swindling. Series Background and Media

: The focus shifts from basic "reverse blackmail" to high-stakes mind games, making it a "must-read" for fans of the genre.

: The volume offers a deeper exploration of Hotaru's motivations and her past, shedding light on why she chose the life of a swindler-hunter.

For those looking to collect the series, the on TMDB lists all four major installments, with Volume 4 serving as a definitive "top" or climax to the central narrative arc. New Hotaru The Hyper Swindler (2005) - Letterboxd

: Unlike earlier volumes where marks were often caught in simple greed, Vol. 4 features "sharks" who are actively hunting Hotaru, forcing her to be more cunning than ever.

Reviewers highlight several factors that elevate this volume above others in the New Hotaru collection:

: Erika, a friend of Yayoi, is tricked into a massive debt after answering a street survey and accepting "free" cosmetic samples.