The campaign reached its 4,000,000 yen (about US$35,300) stretch goal to create a one-minute video (the original goal was for a 30-second video).
The new crowdfunding campaign was intended to fund a film of more than 40 minutes in length.
The campaign raised 6,901,864 yen (about US$63,000) from 397 backers: 276% of its 2,500,000 yen (about US$22,100) goal.
The official website for the feature-length film of Shigeyoshi Tsukahara and Twiflo’s original anime project Kurayukaba announced on Friday that professional storyteller Matsunojō Kanda will play the main character Sо̄taro, who pursues the mystery of the mass disappearance in the deep subterranean world.