All's fair in Love and War (A Halo, Metroid story)

Halo X Metroid/Mater chief X Samus Aran. Cortana's gone and a hole has been dug in chief's heart. He now works himself day and night without a minute of rest, taking missions as soon as he got back to command. On one particular mission though he meets an entirely new armada and a new ally... Maybe. Follow Master Chief...