Affle is the daughter of Prince Ithaca and Princess Lilia of the Cosmoralian Empire on the planet Astria in the Andromeda Galaxy. She is the twin sister of Prince Jimsa. Royal astrologers declared the twins' birth an ill omen for the empire, resulting in an assassination order against her. Affle survived this decree through unknown means.

She became separated from her mother and twin brother during their escape from the capital when machine invaders assimilated Astria's leadership and terraformed the planet. Affle grew up disguised as a boy in the desert wastelands, raised and trained by Il, a female cyborg warrior and refugee from the conquered planet Murat.

Affle bears a distinctive red dragon-shaped birthmark. This mark identifies her as the prophesied messianic figure foretold by Murat resistance leader "The Elder," designating her humanity's hope against the machine invaders. As an adolescent, she reunited with her brother Jimsa and mother Lilia within the Murat-led resistance. During this reunion, her birthmark and survival confirmed her identity.

Affle and Jimsa each developed unique energy beam abilities during their separation. Combining their powers created significant amplification, though this only temporarily hindered the machine forces. With the resistance overwhelmed in the conflict's culmination, Affle and Jimsa used their united abilities to enable Astria's destruction – a sacrifice to eradicate the mechanical threat. They were placed in a space capsule and launched to safety before the planet's detonation.

The capsule carried them through space to a primitive, lifeless planet. Their story concludes with the implication that after their death, their cells would evolve over eons into new life forms on this world, potentially seeding humanity anew. Narrative elements suggest a cyclical reunion through reincarnation.