In the northern Kanto area in Japan, there is Binan City… At Binan High School, as per usual, the “Earth Defense Club (lol)” was a club that did nothing. The club members Kyoutarou Shuzenji, Ryouma Kirishima, Nanao Wakura, Taishi Manza, and Ichiro Dogou nonchalantly enjoyed tea while having pointless conversations that amount to nothing. All of them have now gathered at Kurotama Bath after school. When Ryouma pulls Kyoutarou Shuzenji by his arm out of water that he claims feels too good, together with his towel comes a pretty boy in strange clothing. These five boys are then dragged into a battle for the heir of the magical kingdom, Honila Land...

In the distant future, humans create a robot named MIRU capable of traveling through time, visiting various eras, places, and even parallel worlds. Unlike some robots, MIRU isn't equipped with weapons. Instead, it helps people overcome immense obstacles peacefully, encouraging new beginnings without violence. MIRU continuously evolves by interacting with people, learning and growing to assist those struggling to survive. It listens to their problems and offers support. By helping others, MIRU sets off a "Butterfly Effect," of dramatic change guiding society toward a brighter future. Why was MIRU created? What is its purpose? Can it save the Earth and humanity from a dystopian future?

In a world where individuals receive blessings from various animal gods at the age of sixteen, Sophia Leeler, a timid count's daughter, unexpectedly receives the blessing of the "Gorilla God"—said to be the strongest in combat. Though she longs for a peaceful school life, her rare and powerful ability attracts the attention of the Royal Knights, who scout her as an apprentice knight. Despite her efforts to hide her overwhelming strength, she can't help but stand out. Meanwhile, the promising young knights around her watch over her with kindness.

A day off... After spending so long training, Reno has forgotten what he's supposed to do with free time. But when he sees that Hoshina is up to something, he goes on a mission to tail him with Iharu!