Author Hotaru Yuyami has just tragically lost his beloved dog. While gazing at a tree in his yard, he notices a strange pink mushroom, and it's...moving?. The mushroom suddenly turns into an adorable dog, and Hotaru decides to take it in. Now, alongside his editor and a mushroom researcher, Hotaru shares heartwarming and hilarious moments with his new capricious companion.

In the year 2045, Motoko Kusanagi and Section 9 return to fight a dangerous new threat in this feature-length recut of the first season of "SAC_2045."