Soon after entering middle school, Yuri Otani is coerced into joining the "Alien Party," a single-minded group with one goal: capture any alien attempting to enter school grounds. Terrified of aliens her entire life, Otani is anything but thrilled, and to make matters worse, her kit includes a "Borg"—an alien-like creature tasked with ensuring her safety. Despite this, she finds solace in her two partners: the independent and reliable Kumi Kawamura, and the smart and energetic Kasumi Tomine. As the Alien Party works to fend off extraterrestrial threats, will their roller blades and lacrosse sticks be enough to overcome the dire challenges ahead, or will they succumb to fear and suffer the grim consequences of defeat? [Written by MAL Rewrite]

Yumi Takeshita is a cheerful lady who recently joined the police force of the Tawagoto precinct. When she was still a middle school student, she was saved from being hit by a truck thanks to a stranger. Several years later, she meets her savior once again while performing her first arrest attempt. He is a magician named Tohru Ichidaiji and Yumi is charmed to finally meet him. As a police officer who is assigned to several odd tasks, she will keep asking for the help of the handy Tohru. (Source: ANN)

Tokidoki Rikugou is a history-hating student who flunks out of his Japanese History course; his high school forces him to make up for his failed grade by attending a special museum lecture. Its star exhibit, a vast recreation of the Edo Period, promises to alleviate the delinquent student's poor grades with an elaborate simulation of the Tokugawa Shogunate: the Edo Bakumatsu Walking Tour and Exhibition. Knowing next to nothing about samurai culture or the times he's walked into, he is quickly surprised to learn of the superstitious nature of Japan during the 1600s. Quickly dismissing the existence of gods and demons, he is shocked when confronted by a demon on a bridge, who attacks the unsuspecting high-schooler. Saved by a mysterious swordsman named Kuchiha, he discovers that he can no longer escape the simulation at the history museum. Meeting another swordsman named Kon Shinonome, he discovers another contemporary that was trapped in the simulation before him. Quickly adjusting to his new home, Tokidoki must now help protect the village from demons, while uncovering the mystery of both the simulation and the company that created it. [Written by MAL Rewrite]

Keith, George, Edward, Yang and Shaw are Platoon #801, the five-man team formed to protect their homeworld in the Inferious galaxy from alien invasion. Gazaria's evil emperor Vince conquers the neighbor worlds of Kal and Granad, and suddenly only Platoon #801, also known as Condition Green, stands between him and the conquest of Emerald Earth. (Source: The Anime Encyclopedia)