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...
If I had been holding 
the briefcase more tightly...
Si tan solo hubiese sostenido 
el maletín con más firmeza.
Si hubiese sostenido 
el maletín con más firmeza...
Se eu estivesse segurando
 a mala mais forte...