Hayate Ayasaki's first love, though named Athena Tennousu, has lost her memories and now lives as a child named Alice. Setting aside the reason why all this happened, episode 3 follows the lonely young Athena Tennousu, now nicknamed "A-tan," and Hayate as they get wrapped up in a bit of a criminal incident...
so she doesn't slip 
through your fingers.
para que no se te escape entre los dedos.
para que no se te escape entre los dedos.
Para que ela não escape das suas mãos.