Mobile Suit Gundam Wing (1995)

S1E29 The Heroine of the Battlefield

As Romefeller’s forces rapidly tighten their grip on Earth, Treize’s troops struggle to hold the line. Realizing Treize is now pitted against Romefeller, Heero decides to fight alongside him as a mercenary. On the battlefield, he unexpectedly finds himself working with both Sally Po and Lucrezia Noin, united against a common enemy.