While visiting the Tokyo headquarters, Nakajima brags about booking an exclusive soapland appointment for 200,000 yen for next week, claiming his investment in stocks makes it possible. Unfortunately, he invested all of his money in one stock that turned out to be worthless, and Nakajima heads back dejectedly to Shikoku to recoup his losses in one week. However, he and the Nakajima Family instead unearth a series of stock fraud he wasn't the only victim to ...!
Unfortunately the movie Unification of Japan Gaiden: Nakajima Family — Shikoku Goldmine of Mayhem is not yet available on Disney Plus.
| Directing | Hiroyuki Tsuji | Director |
| Writing | Keiichirō Murata | Screenplay |
