Lupin III: Twilight Gemini no Himitsu
English title: Lupin III: The Secret of Twilight Gemini
Japanese title: ルパン三世『トワイライト☆ジェミニの秘密』
Alternative titles: Lupin III: The Secret of Twilight Gemini, Rupan Sansei: Twilight Gemini no Himitsu, Lupin III Special Part 8, Lupin III: The Legend of Twilight Gemini
Type: TV Special
Source: Manga
Episodes: 1
Status: Finished Airing
Aired: Aug 2, 1996
Duration: 1 hr 31 min
Rating: R+ - Mild Nudity
Studios: Tokyo Movie Shinsha, TMS Entertainment
Producers: VAP, Tohokushinsha Film Corporation
Licensors: Funimation, Discotek Media
Genres: Action, Adventure, Comedy
Themes: Adult Cast
Demographics: Shounen

A dying mob boss entrusts Lupin with a diamond that supposedly is the key to a vast treasure. But when Lupin is attacked by an assassin and saves a mysterious girl from trouble, it becomes clear that that there's more to this treasure then meets the eye... 

(Source: ANN)