In the year 1939, humanity was on the verge of destruction. Equipped with weapons of devastating power, a mysterious alien race, known as the Neuroi, began an invasion of the Earth, ravaging the planet, obliterating countries, and vanquishing human armies. To counter this seemingly unstoppable force, the world's powers united. A new device was produced, called the Striker Unit, capable of facing Neuroi technology. Girls equipped with the Striker Unit became known as the Witches, forming humanity's last line of defense. They began their fight against the Neuroi, utilizing their now-enhanced magical abilities, flaunting destructive weapons no human could manage. Fast forward to 1944—Yoshika Miyafuji is a young teenage girl who eventually decides to join the 501st Joint Fighter Wing, known as the "Strike Witches." With no formal training however, can Miyafuji learn to cooperate with her fellow Strike Witches? And if so, can she save humanity from the Neuroi onslaught? [Written by MAL Rewrite]

With great advancements in technology, mankind has created hIEs, human-like robots that act as public and personal servants for society. Unlike many others, the kind-hearted high school student Arato Endou treats hIEs as equals, but his financial situation keeps him from ever owning one. However, his normal life is shattered when an ordinary run to the local grocery store goes horribly awry. Viciously assaulted by a hacked hIE, Arato is on the verge of death; but luckily, he is saved by an abnormal hIE carrying a weaponized coffin. Her name is Lacia, one of five highly advanced hIEs that recently escaped the clutches of the mysterious MemeFrame Corporation. Faced with a hacked car threatening to run them over, Lacia offers Arato a deal: in exchange for saving his life, he must register as her new owner, thus taking full responsibility for her actions. With little choice, he decides to trust this artificial girl and allows her to live in his home. Though Lacia begins to adapt to her new, peaceful lifestyle, she warns the entranced Arato of one thing—she does not have a soul. [Written by MAL Rewrite]

"Stride"—an extreme sport that combines parkour, free running, relay, and sprinting—is what made first year high school student Nana Sakurai enroll in Honan Academy, after being captivated by the school's stride team. Sharing the mutual intention of joining the team is fellow first year and stride maniac, Takeru Fujiwara, and together they request to join. Much to their dismay, however, the stride club is no longer active due to lack of members, and they are now operating under the shogi club. In order to revive the stride club, Nana and Takeru recruit first year Riku Yagami—a fast runner who is interested in almost every sport. With this new team, the club now aims high at a new goal: to win the prestigious End of Summer competition, and bring the Honan stride team back to their prime.

Second part of Gokushufudou.