The young Bronze Saints bravely invade Mars' Babel Tower, and succeed in rescuing the girl he claims to be Athena. She reveals to Kōga that her name is Aria. Sensing a threat approaching, Kōga dispatches Yuna along with Aria to avoid being recaptured, and together, the young Saints try desperately to buy time for their escape by facing the seemingly invincible Leo Mycene. In their darkest hour, a memory of Seiya deep in Kōga's heart brings them hope.