Her Senshi title is pronounced "say-ren", approximating a Greek pronunciation like than a extra common Latin. Her "human" title, Reiko Aya, occurs as paronomasia, such as her fellow Animates': [t]he to the full Japanese sentence ayatsuri ningyou means something rather "manipulated puppet,victim of circumstance" which Aya is at days. Cut off a "aya" & that you keep close at hand her number 1 title. Reiko occurs as "child spirit",an additional cute trait of Aya. In conclusion, a "ningyou" in ayatsuri ningyou, in case left in its have, means "mermaid"...[http://www.geocities.com/Tokyo/Island/3352/pg1.html]

She appeared in the Seramyu musical Kakyuu Ouhi Kourin (revised version) as a portion of the "Dancing Animamates" class action; she calls herself Half Bad.

In the manga, Aluminumseiren first appears within Work 44 on the roof of Juuban High School & attacks Usagi and Seiya with "Galactica Tsunami". She succeeds within stealing a starseeds of Sailormercury and Sailorjupiter, killing them; however is in time flushed herself by Sailorstarmaker and Sailorstarfighter.

Just in the manga is it explained that Aluminumseiren won Galaxia's favour by stealing the starseed of her native planet's Senshi, Sailormermaid. A anime implies she may keep close at hand been Sailormermaid herself, corrupted by Galaxia and enslaved by Galaxia's golden bracelets.

In the anime, Episode 182, Aluminumseiren made her number 1 appearance. She worked together using Sailor Lead Crow, world health organization revealed that it were previous challenger who competed for the position of First Anima-Mate. She found a identities of a Inner Senshi & the Starlights each however was flushed by Galaxia in Episode 188 before this page did her any good. Sailor Lead Crow was so teamed by having Sailor Tin Nyanko, who was secretly plotting against her. Finally, Sailor Lead Crow was swallowed by the black hole. Her survive thought was, "I'm sorry, Siren."