The ecchi doesn't exist to interrupt the story, it IS the story, executed with technical precision that makes other shows in the genre look lazy. Momo's confession tears the harem formula apart and actually forces Rito to choose, which means the comedy lands harder because the stakes suddenly feel real. The fanservice reaches levels that seem ridiculous until you realize the show earned every moment through genuine character work, not just camera angles.
Rito Yuki thought life couldn't get more chaotic. He was wrong. When the younger princesses from planet Develuke transfer to his school alongside his girlfriend LaLa, the already impossible situation reaches critical mass. Momo, LaLa's cunning sister, decides that Rito needs her "support" too, triggering LaLa's immediate and hilarious intervention. But romantic hijinks pale when Yami, an assassin wrapped in darkness itself, arrives with a fleet of alien hunters at her back. Suddenly Rito's drowning in a love polygon that spans galaxies while dodging actual threats. What unfolds is pure comedic chaos: slapstick encounters between Earth and extraterrestrial royalty, romantic schemes that never land quite right, and a lingering danger that reminds you this isn't just fluffy wish-fulfillment. The tone swings wildly between ecchi hijinks and genuine tension, keeping you off-balance. Viewers looking for romance wrapped in absurdist comedy, sci-fi absurdity, and characters who refuse to take themselves seriously will find exactly what they're after.