Gloomy robot otaku Akutsu Eita is now living with his high school idol--and honey trap robot--Agatsuma Makina! Two's company, but when Makina's younger sister (who's also a robot) shows up, three's a crowd! Eita's apartment turns into a harem of high-tech machinery and seduction! Can he keep these malfunctioning robots, and his own virginity, intact?! A brand-new romantic comedy manga presented in full color!