Men Ke, a social animal working as an office worker, was so bored in the first half of her life that she doubted her life, but in the second half of her life, she will die of boredom. How can the Earth heroine, who faces the threat of death every day but continues to go to work, and the alien hero, who is enthusiastic and wants to save her but is not very good at it, overcome boredom and live with a smile! (Source: Bilibili, Google translated)

The world we live in is called Earthside in this story. There are the other worlds called Nosfertia, Heavenstia, and Eternalia. When Darknoids from Nosfertia begun invasion to Earthside, Heavenstia sent 3 Animanoids (beast-humans) to prevent it. The lead character Touya had believed that he was a mere human but found he was actually a being of Eternalia. With the help of 3 Animanoids, Touya fights to defend Earthside.

Life seems simple for Koichi, a young student, until he learns that he is the reincarnation of an alien protector who crashed onto the mantle of responsibility as defender of the Earth, Koichi/Babel teams up with a trio of super-powered alien companions to battle the the dark forces of an evil cult leader. The war to save humanity takes Babel from the deserts of southern Asia to the upper east side of Manhattan and ultimately to a final showdown with the master in a hidden base nestled in the Swiss Alps. The action is fast-paced and deadly. The fate of the world rests in the ability of this courageous youth to tame his latent psychic power and use it to defeat the enemies of mankind. (Source: AnimeNfo)

Picture Drama included in Sacred Seven: Shirogane no Tsubasa, where Knight and Fei are in the same school as Alma and others.