The astronomical event "Apple Moon" occurs once every 300 years. On that day, Sakuma, while visiting the ocean with his classmate to observe the event, ends up meeting a parasitic alien instead...?

High school girl Ibuki Wakaba yearns to be a tokusatsu hero, just like on TV. While daydreaming on the school roof she runs into real monsters and is saved by Ririe, warrior from another dimension sent to...

The girl I fell in love with is an alien? I, the class president, happened to fall in love with my classmate, the eccentric Haru. I confessed my feelings, but her true identity was an extraterrestrial who came...

Puruka is a parasitic alien who came to Earth in order to have offspring. After being saved by a busty high school girl named Fuuka, he begins to live inside of her head. It seems like he'll easily be able to...

The series' protagonist is Takashi Horimachi, a fifth grader at "Anytown" Elementary School. A transfer student named Taro Tanaka enters Takashi's class. Taro Tanaka turns out to be a space alien. Takashi...

The world is being assimilated by a crazy religion, and to stop it I have become their satan. The religion is controlled by aliens, and people don’t have a clue. The world says that aliens don’t exist, but they...

Meet the top delinquent from Mars! His name is Ukita Kikuchiyo and he's now trying to take over new turf on Earth after switching schools but due to living in Mars’ low gravity, he quickly finds out he's quite...

"Why won't this city get destroyed..." Chiho, a middle school girl teased for not having a smartphone goes to the seaside to vent her anger, there she meets the strange creature, Q!! Chiho takes a liking to Q...

A former boys' school recently integrated into a co-ed high school. Shinya Sanada spent the beginning on his high school life in a hospital, so he arrives to what he thought was the boys-only dormitory a month...

After being kidnapped by an "alien woman", Yuuta developed a severe case of gynophobia. Having to be in charge of a bath house, Yuuta couldn't be more inconvienced by this. Just when he was thinking of trying...

It's fairly obvious to Terui Chiaki that her classmate Ajikawa Yoshio has a crush on her. He is completely not boyfriend material in her eyes and, even if he was, Chiaki already has a boyfriend. Their...

Meet Teragane Haruto, your typical high school student without any aspirations or wishes of his own. He is the kind of guy that prefers to be with his friends fooling around and playing all day instead of...

He died on the wedding of the girl he had a crush on. Accidentally being sent back to the past, not only could he predict the future but also received super powers. The relationship that he missed in his past...

From AnimeSigma: One day, while Shirou was delivering a secret weapon to his colleague, he met Amane Mao, a super strong girl who is capable of lifting cars. Suddenly, an ERROR, a monster that struck Old Tokyo...

The story is set in a futuristic and peaceful world made possible thanks to the invention of the Manifestation Engine (示現エンジン Jigen Enjin), a powerful engine that creates energy from the sky and helped to...

Mina, a Lieutenant of the Space-Time Vanguard Unit arrives from the distant future to interrupt Ichikawa's peaceful life with some upsetting news of how the world would end-up if he continues to pursue his...

At the age of 15, He Jin found himself a "husband"? in an online game, their love was filled with loving affection and sweetness. However, because his study was being interfere with, his parent cut off the...

Though a bit of a fool, but hardworking, Suku, a second-year high school student and the new student council president, is in love with his reliable vice president, Ririka. However, for some reason, they always...