This is the ecchi show that doesn't apologize for what it is or pretend the story matters more than the moment. Keita's resistance crumbles one kiss at a time because the twins are genuinely funny, genuinely charming, and the show knows you're not here for plot. It commits harder than shows ten times its budget, and that shameless energy is exactly why people either worship it or walk away.
Keita has one goal: ace his high school entrance exam. What he doesn't have is peace and quiet, thanks to his twin stepsisters Ako and Riko, who seem determined to derail his studying through relentless flirting and physical affection. Their motives are genuine, but their methods are decidedly unorthodox, crossing lines that would make most families uncomfortable. What starts as Keita pushing back against their advances gradually shifts into something more complicated. Each moment of contact, each kiss, pulls him deeper into their orbit. Soon he's caught between two equally persistent girls who both want him, and he's not entirely sure he wants to resist anymore. The comedy spirals from there: stolen moments in the kitchen, interrupted study sessions, and increasingly transparent excuses for physical contact. Beneath the ecchi humor lies a peculiar love story where conventional morality takes a backseat to genuine affection. Keita still needs to pass that entrance exam, but now he's juggling academic pressure against feelings that grow stronger by the episode. Will he make it through either challenge intact?