The battle against Tendou Kodzunu is over, and the Magami Five begin to look forward to their senior graduation, hopefully planning for their adult futures. However, life in Tokyo is not at peace... The underground assassin group known as the Twelve Heavenly Generals of the Martial Fist begin to move against those protecting the city from demons. Normally rumored to kill criminals that the mundane law was unable to bring to justice, the Martial Fist now set their sights on Tatsuma Hiyuu, Kyouichi Houraiji, Aoi Misato, Komaki Sakurai, Yuuya Daigo, and Hisui Kisaragi. What is the purpose of this cruel turn of events? And who ordered the hit? New threats emerge as others awakened to powers unleashed by the Ryumyaku seek out the Magami kids - and old friends now return as enemies. Destinies will collide as the Stars of Fate begin to merge; Yin and Yang will meet. And soon the shadowy figure pulling the strings will reveal himself, in an effort to raze Tokyo to the ground and awaken the Vessel of the Golden Dragon.

9 of Japan's leading animators were asked to create a short segment that followed the theme of "Robots," for their inclusion in this film. Essentially, this "movie" is 9 short films, all independant of one another. The common element is human interaction with robots, namely the consequences of creating life with one's own hands, played in nine very different ways. 1: Opening (Atsuko Fukushima and Katsuhiro Otomo) 2: Franken's Gears (Koji Morimoto) 3: Deprive (Hidetoshi Omori) 4: Presence (Yasuomi Umetsu) 5: Star Light Angel (Hiroyuki Kitazume) 6: Cloud (Mao Lamdo) 7: A Tale of Two Robots (Hiroyuki Kitakubo) 8: Nightmare (Takashi Nakamura) 9: Ending (Atsuko Fukushima and Katsuhiro Otomo)

Count D, a quite interesting pet shop owner from an area called Chinatown, sells rare and hard to come by pets to people longing for something special, but with each sale comes a contract. If the rules of the contract are followed, everything goes fine, but if someone should break the rules of the contract, the pet shop cannot be held responsible for anything unfortunate that might happen. Leon Orcot, a homicide detective, has linked many odd and unexplainable deaths together; they all were customers of Count D's pet shop, and he intends to find out why.

Short anime specials included in the One Punch Man 2nd Season BD & DVD.