TV-Series
Description
Mami Futami forms one half of the Futami twins alongside her sister Ami. Identical in appearance, they are distinguished only by their hairstyles, with Mami tying her hair to the left. They share a playful nature, enjoying impressions, teasing friends, and playing games. Mami is noted as the slightly more mature twin despite being younger. Their identical looks allow them to perform together under the single identity of Ami, a secret known only to the staff of their talent agency, 765 Production.

In the alternate continuity of *XENOGLOSSIA*, Mami Futami is 12 years old. She stands 149 cm tall, weighs 39 kg, and has measurements of B74-W53-H77. She and her sister Ami are the designated pilots of the red mecha unit Prometheus-4 Tempestas.

Seven years prior to the *XENOGLOSSIA* story, Mami was severely injured during a test piloting of Tempestas. The mecha vanished with her into another dimension, where it slowly healed her injuries. Mami remained absent for an extended period. She returned only when Tempestas sensed her sister Ami was in great danger from the organization Turiavita. The mecha unit returned, released Mami, and then sacrificed itself to protect its Idolmaster. Due to her prolonged absence in a dimension where time did not progress normally, Mami experienced no mental development despite her body having physically aged. Consequently, upon her return, she behaved like a playful, willful, and childish young girl, a stark contrast to her sister who had matured mentally during the same period.

Across different iterations of the media, Mami's core profile remains consistent. Her birthday is May 22, and her blood type is B. In the main *iDOLM@STER* continuity, she is 13 years old. She stands 158 cm tall, weighs 42 kg, and has measurements of B78-W55-H77. She is left-handed. Her interests include sending messages and bonsai, and her special skill is imitation. She is from Tokyo.