2014年6月底,在《希德尼娅的骑士》一期动画最终话的片尾公布了二期动画《希德尼娅的骑士:第九行星战役》制作决定,并将在11月举办二期动画第一、二话的先行上映会,上映会门票将在动画第一、二卷中限量附赠。此外,原作中的重要角色“白羽衣紬”也将在第二期动画中登场;而原作者贰瓶勉的早期作品《BLAME!》亦会在第二期动画中以剧中剧的形式动画化。。A scientist performing illegal stem cell research is trying to find a cure for cancer. After the transfer of shark cells is made into a human test subject, the ill man gets well again and it looks like the treatment was a success. But the experiment goes wrong, and the man transforms into monster: half-shark & half-human. But the scientist knows how to use this to his advantage...。几名警察抢劫了毒贩的赃物,本想做“盗亦有道”的侠盗,不料深陷混乱,最终不得不为自己的行为付出代价。。