Manabu is a 3rd year middle schooler and former student council president. Suddenly he's in charge of a new student Rui but she is no ordinary girl—she's an alien! Manabu loses the chance to be with his crush Mizuho who now has a thing for Rui and gets nose bleeds from her cuteness. The teacher is of no help, her focus and nose bleeds are on Rui's hot cousin who is also an alien!
The new 2nd year student council body also plays a role in the story. The student president Hikaru is short and hot tempered, he is dating the vice president Nozomi who is tall and gorgeous. The treasurer Kazuma is a good looking guy with a great voice, yet he wears a mask and is madly in love with the cute guy secretary named Tooru!
There is another side story BL with Kazuma and Tooru—Kazuma is slowly wearing Tooru down with his love!
Boku to Uchuujin has finished publishing and it has 33 Chapters. It is also Known as: 僕と宇宙人, Me and an Alien
Genres: Comedy , School Life , Friendship , Humanoid Alien , Alien , Romance , Student Government
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Top 5 Manga Like Boku to Uchuujin [2026 List]
5. Tsukiiro no Invader
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...?
Moonlike Invader has finished publishing and it has 12 Chapters. It is also Known as: 月色のインベーダー, Tsukiiro no Invader
4. Jinrui wo Metsubou sasete wa Ikemasen
On his way home from work, the 26 year old salaryman, Kawakita Osamu, encounters an alien named Lilin. She and her species plan on invading the earth but she ended up getting stranded on this planet. Can Osamu raise her to become a kind-hearted kid before her species eradicates humanity in five years?
Don't Destroy Humanity has finished publishing and it has 31 Chapters. It is also Known as: 人類を滅亡させてはいけません, Humanity Mustn't Get Eradicated, Jinrui o Metsubou Sasete wa Ikemasen, Человечество не должно быть уничтожено
3. Down To Earth
Kade lives his average life alone and undisturbed... until a cute alien girl crashes into his backyard! By opening up his home, will this other worldly girl inadvertently open up his heart?
(Source; Webtoons)
Down To Earth is currently publishing and has Chapters. It is also Known as: Down To Earth
2. 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
1. Yome ga Kore na mon de.
Nobuo is an ordinary salaryman with a dark secret-his wife is an alien. Despite her tentacle hair and tendency to shoot beams from her eyes, he wouldn't trade her for anything. Love knows no bounds in this extraterrestrial romantic comedy.
Oh, My Sweet Alien has finished publishing and it has 13 Chapters. It is also Known as: ヨメがコレなもんで。, Yome ga Kore na mon de.
