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...
Don't get lost again, okay?
No vuelvas a perderte, ¿sí?
No vuelvas a perderte, ¿vale?
Não se perca mais, tá?