This game is animated anime porn parody on in demand television toon series"Johnny Test". If have not seen this cartoon or have no idea that it even exist you should actually know one thing about it - they have sandy-haired twins in it who loves to invent some dangerous and awesome things! Yep, their names are Susan and Mary - like in the title of this game. And today they will examine their new invention - fucking machine with multiple manipulators (in other words - a robot with a bunch of metal tentacles). This seems to be avery important project for both them and that is why they are testing it again and again and again. Just click the display to see them cumming and provide them number of seconds to break and they'll be ready to cu... err testing again!