The official website of currently airing Hand Shakers TV anime has announced that there will be an unaired thirteenth episode titled. The episode will focus on Koyori and Makihara's past. A new character, Kouichi, will be voiced by Noriaki Sugiyama ). The episode will be released separately in an extra disc titled, shipping on July 26.is an original anime series by animation studio GoHands , media production company Frontier Works , and the publisher Kadokawa to celebrate 30th year anniversary of Animate stores. The final episode of the anime will air on March 29.Source: Ota☆Suke