A cosmic-scale popularity quest... maybe.
Mysterious aliens have invaded Earth—the Mote-Aliens! Their goal: to seize Earth's strongest "Popularity Power"!
And of all people, the one they set their sights on was...
However, once stolen, the Popularity Power turned out to be shockingly garbage. To make matters worse, Koi turned into a baby, leaving the aliens in total confusion!
How to turn him back? The fate of the Earth? And wait, is Koi actually popular at all!?
The rampaging president, the dragged-along members, and the caught-up students of Masurao High. Plus, another King from space!
An unprecedented cosmic-scale slapstick comedy delivered with laughter, chaos, and grand misunderstandings!
Name: Koi Shitsu Age: 19 years old Currently about 1 year and 3 months old Gender: Male Height: 178cm Currently about 80cm
The president who founded the Popularity Club at Masurao High. A pervert who constantly pursues and executes ways to become popular. He has all the raw materials to be popular, but due to his eccentric behavior and twisted personality, he is catastrophically unpopular, though he is unaware of this. A disappointing boy who believes he is a "King."
Perfume is commercial deodorizer "Febreze" He can't hold it, so he carries powdered milk instead.
Name: Futoshi Homan Age: 18 years old (High school senior) Gender: Male Height: 174cm
An introvert and member of the Popularity Club who was forced to join by the president, who is in his class. Since he's bored, he shows up at the clubroom every day to munch on snacks at his desk and immerse himself in mobile games.
Nickname: Boode (named by the president).
Highly valued by the president as a natural talent for being unpopular, but he doesn't care and lives life at his own pace. Excellent grades and comes from a wealthy family. Has a 2D "waifu" named "MoeCure."
Name: Shuto Todoroki Age: 18 years old (High school senior) Gender: Male Height: 185cm
A bright and positive young man. He was in the soccer club but quit after a leg injury. He joined the club for fun because he had too much free time.
Nickname: Shoot (named by the president).
The only voice of reason in the club, possessing the depth of character to tolerate all the eccentric members and high cooperativeness cultivated through team sports.
Has a much younger brother (7 years old). His only flaw is that he has a severe brother complex.
Name: Soshi Gomi Age: 18 years old (High school senior) Gender: Male Height: 180cm
Joined the club just for his school record.
Nickname: Gomi-o (named by the president).
A thrill-seeking hedonist who loves interesting things and drops by when he's bored to tease the president and members. He's often the mastermind behind most major incidents.
A true social butterfly and "normie." In reality, he is extremely popular with both men and women and enjoys free-spirited romance without being tied to a specific partner. (Keep this a secret from the president♡)
Name: Hiroshi Matsudo Age: 17 years old (High school senior) Gender: Male Height: 175cm
Always wears his self-made measurement glasses, the "Mote-Scouter." A genius inventor with an IQ over 180. A hyper-rationalist who trusts theory and data above all else, but is extremely socially awkward and can't read the room. He was picked up by the president after being permanently expelled from the Science Club for repeated dangerous inventions.
Nickname: Mad (named by the president).
He has currently remodeled the clubroom into a secret laboratory using club funds and mass-produces bizarre inventions. He named Koi's "good traits but unpopular" phenomenon the "Shitsu Koi Paradox" and observes and records him daily as the ultimate research subject.
Name: MOTE=RUN=DEATH (Motelundes) Age: 931 years old Gender: Male Height: 190cm
King of the Mote-Aliens. Insolent and arrogant. Refers to himself as the King of the Galaxy.
To conquer Earth, he attempts to steal the strongest "Popularity Power" from humans, but he can only target one person. He mistakenly identifies Koi, the president of the Popularity Club, as the strongest and steals his power, turning Koi into a baby.
Name: Mote-Alien Height: Approx. 40cm Aliens under the command of Motelundes. They have pink heart-shaped bodies with intense, gritty human faces and thin limbs. They are mob-like entities that appear in large numbers.
They speak human language and have high combat ability despite their appearance.
Masurao High School. Deep in the woods away from the main building, in an old classroom of the former school building. A sign proudly hanging at the entrance reads "Popularity Club."
The president, Koi Shitsu, screams while squeezing the plump chest of Boode (Futoshi Homan), who is absorbed in a game.
"Gyahahaha!! That is seriously too funny!" Gomi-o (Soshi Gomi) is filming the scene on his smartphone.
"Gufu... spontaneous chaos!! The ultimate sample!!" Mad (Hiroshi Matsudo) scribbles mathematical formulas across the whiteboard.
Release Date 2026.10.11 / Last Updated 2026.10.14