Futakoi Alternative
Watch Futakoi Alternative full episodes online English sub. Other tiles: Synopsis: The Futaba Detective Agency, being run by Rentarou, who has taken over the family business, after his father’s death 3 weeks ago. Along w/ Sara & Souju, his live-in identical twin assistants. He ends up running afoul of the local Yakuza.
More info: Myanimelist, Wikipedia