50 years after the war with aliens. Sumire Ichigaya is 18 years old. To pay off her debts, she works for a company that exterminates space pests. One day, Sumire's daily life changes drastically when she is kidnapped by a UFO! The voice of someone in her head. Space vermin attacking and even a military company is after her.
Rairairai It is also Known as: 雷雷雷, Rai Rai Rai, ライライライ
Genres: Action , Comedy , Science Fiction , Alien , Parasite
Try our anime quiz: Anime Characters Guessing Quiz/Game
Top 5 Manga Like Rairairai [2026 List]
5. Sundome!! Milky Way
Sakura Yoshitake is a 25-year-old salaryman working for a food production firm. One day he takes the day off to go to his grandma's 88th birthday. While driving home after the party he sees a UFO and crashes. He survives the wreck and finds a terrifying alien standing over him. He passes out and when he comes to, he is in his own bed in his own apartment, covered in bandages. Even more, he finds a beautiful blonde half naked sleeping next to him. When she awakes she tells him she has come to earth to be impregnated by him. However when he touches her, her embarrassment causes her to lose control and she turns back into the terrifying alien he saw before. How will he ever impregnate her if she can't control her embarrassment enough to ever let him touch her?
Sundome!! Milky Way has finished publishing and it has 60 Chapters. It is also Known as: すんどめ!! ミルキーウェイ, Sundome!! Milky Way
4. Mahou Sensei Negima!
Negi Springfield, a 10-year-old wizard who recently graduated from Merdiana Magic Academy in Wales, hopes to achieve two things—to find his missing father, who was once known as the Thousand Master, and to become a Magister Magi, someone who helps the everyday world through magic. To reach his latter goal, he is assigned one last task: to teach English at a middle school in Japan.
Much to his surprise and dismay, he not only discovers that his homeroom class consists of 31 girls, but also ends up revealing his true identity as a magician to Asuna Kagurazaka, one of his new students. Negi must now negotiate with the girl and face his most difficult challenge yet—to keep his identity a secret as he tackles magical threats both from within and outside of Mahora Academy, all the while keeping a watchful eye out for his lost father.
Negima! Magister Negi Magi has finished publishing and it has 355 Chapters. It is also Known as: 魔法先生ネギま!, Magical Teacher Negima!, Negima
3. Dandadan
Ghosts, monsters, aliens, teen romance, battles...and the kitchen sink! This series has it all! Takakura, an occult maniac who doesn't believe in ghosts, and Ayase, a girl who doesn't believe in aliens, try to overcome their differences when they encounter the paranormal! This manga is out of this world!
Dandadan is currently publishing and has Chapters. It is also Known as: ダンダダン, Dan Da Dan, DAN DA DAN
2. BORUTO: Naruto Next Generations
Naruto was a young shinobi with an incorrigible knack for mischief. He achieved his dream to become the greatest ninja in the village and his face sits atop the Hokage monument. But this is not his story... A new generation of ninja are ready to take the stage, led by Naruto's own son, Boruto!
Boruto: Naruto Next Generations has finished publishing and it has 81 Chapters. It is also Known as: BORUTO-ボルト- -NARUTO NEXT GENERATIONS-, BORUTO, BORUTO-ボルト-
1. One Punch-Man
Everything about a young man named Saitama screams "AVERAGE,” from his lifeless expression, to his bald head, to his unimpressive physique. However, this average-looking fellow doesn't have your average problem... He's actually a superhero that's looking for tough opponents! The problem is, every time he finds a promising candidate he beats the snot out of them in one punch. Can Saitama finally find an evil villain strong enough to challenge him? Follow Saitama through his hilarious romps as he searches for new bad guys to challenge!
One-Punch Man is currently publishing and has Chapters. It is also Known as: ワンパンマン, Onepunchman, Onepanman
