(Black Basket) Mutation

Four years ago, Japan encountered an unprecedented crisis. To cope with this crisis, Momoi Dojo, which never accepted female disciples, also welcomed its first female heir - Toru Sanada. In the face of a drastically changing world, can she stick to her heart while shouldering the future? Although Akashi Seijuurō is extremely outstanding among his peers, he is just an ordinary person in the face of a changed world. However, for Akashi, even the changed world cannot forgive what hinders his victory. How will they deal with the huge crisis brought about by the mutated world, and what will happen to the two people who should not have met. (Ps: 1. This article follows the plot, BG direction, the only male protagonist is Akashi Seijuro 2. The female protagonist Su Dan is not a noob, not a holy mother, and not brainless)