Cat Planet Cuties

あそびにいくヨ! (Asobi ni Iku yo!)

6.6(95,769)

MAL Score

Ranked #7464

Popularity #1323

Comedy
Ecchi
Romance
Sci-Fi
Harem

Episodes: 12
Duration: 24 min per ep
Aired: Jul 11, 2010 to Sep 26, 2010
Status: Finished Airing

Synopsis

High schooler Kio Kakazu lives a quiet life in Okinawa until his grandfather’s commemoration leads to a startling encounter with Eris, an odd but charming girl with catlike features. The shock is enough to make him faint, and when he comes to, he finds Eris beside him in a rather compromising state. Eris soon reveals she’s an alien from the planet Catia, sent to study Earth and build connections with its inhabitants.

Welcomed by Kio’s family, Eris moves into his home, turning his everyday routine into something far less ordinary. The calm doesn’t last, though, as multiple secret groups set their sights on taking Eris—among them Kio’s childhood friend, Manami Kinjou. Caught between misunderstandings and escalating attention, Kio is determined to keep Eris safe and prove she poses no danger to Earth.

Otaku Consensus

Cat Planet Cuties sits firmly in cult-comfort territory: its MAL score of 6.57 and AniList score of 61/100 point to a show viewers remember more for its specific ecchi-sci-fi flavor than for broad critical acclaim. Youichi Ueda and AIC PLUS+ keep the 12-episode run brisk, while Katsuhiko Takayama’s series composition gives the harem setup momentum through aliens, secret groups, guns, and fanservice instead of pure classroom repetition. The recurring weakness is just as clear: the nudity-heavy harem mechanics often overpower the romance and sci-fi ideas that make the series distinctive.

Why You Should Watch

Watch Cat Planet Cuties if you want To Love-Ru-style alien-girlfriend chaos with more Okinawan sunshine, secret-organization skirmishes, and firearm comedy folded into the harem formula. It is built for viewers who like ecchi as a feature, not an accident: AniList’s high nudity, nekomimi/kemonomimi, and female-harem tags describe the appeal more honestly than a neutral genre label would. The show also has a tidy commitment level: 12 episodes, a finished 2010 TV run, and direction that moves quickly from domestic embarrassment to sci-fi interference without turning into a lore lecture. If your favorite parts of a harem comedy are escalating misunderstandings, catgirl iconography, and girls who bring guns and agency rather than only blushes, this is its lane.

Key Characters

K
Kio Kakazu
Kio functions as the series’ grounded Okinawan center, the kind of harem lead whose main role is absorbing increasingly absurd sci-fi and romantic pressure without becoming the loudest presence in the room.
E
Eris
Eris is the show’s defining image: a nekomimi alien heroine whose open curiosity, fanservice-forward design, and cheerful lack of Earthbound shame set the tone for the entire series.
M
Manami Kinjou
Manami gives the childhood-friend position an action-comedy twist, tying the romance side of the harem to the show’s guns-and-secret-groups energy.

What Makes It Stand Out

1
The Okinawa setting gives the series a different texture from the Tokyo school-and-apartment default common to many harem comedies, especially in how its domestic scenes feel sunlit and local rather than anonymous.
2
AIC PLUS+ produced the 12-episode TV anime, with Noriko Morishima handling both character design and chief animation direction, creating a consistent look for Eizou Houden’s original character designs.
3
The show’s genre mix is unusually literal: AniList tags it not only as female harem and aliens, but also guns, maids, nudity, love triangle, and CGI, which matches its habit of colliding ecchi comedy with action-faction intrusions.
4
Its catgirl identity is not a side garnish; AniList rates Nekomimi at 87% and Kemonomimi at 86%, making the animal-ear appeal one of the most dominant tagged elements of the series.
5
Tomoki Kikuya’s music and Youta Tsuruoka’s sound direction place the show within a recognizable late-2000s/early-2010s anime comedy mode, where timing and tonal whiplash matter as much as the sci-fi premise.

Fun Facts & Trivia

Fun fact 1: The Japanese title is Asobi ni Iku yo!, while the English-facing title Cat Planet Cuties foregrounds the nekomimi appeal more directly than the original title does.
Fun fact 2: The anime aired as a summer 2010 TV series from July 11 to September 26, finishing its run in a compact 12-episode format.
Fun fact 3: Okina Kamino is credited with the original story, while Eizou Houden provided the original character designs that Noriko Morishima adapted for animation.
Fun fact 4: Katsuhiko Takayama handled series composition, meaning the same credited writer oversaw how the comedy, romance, and sci-fi elements were organized across the full season.
Fun fact 5: Despite its modest aggregate scores, the series has a sizable database footprint: 95,769 MAL votes, MAL popularity rank #1323, and 422 AniList favourites.