Juliet Fiammatta Arst De Capulet is the last member of the Capulet family. She disguises herself as a boy, Odin, in order to avoid being caught by the usurping House of Montague, who still actively look for the Capulets. An excellent swordsman, she also masquerades as a vigilante, the Red Whirlwind, in order to aid the people oppressed by the rival Montagues. She unwittingly falls in love with Romeo, which leads to several complications for her.
In the series, Juliet is presented as a strong and intelligent young woman, she is loving, with a strong sense of justice and determination to lead the Capulet faction against the oppression of the corrupt Lord Montague. She falls deeply in love with Romeo and is stricken with the decision of being with Romeo or destroying Lord Montague. In the original play Juliet is shown as a shy, meek, and emotional young woman who immediately falls in love with Romeo when she meets him and does not care that he is a Montague. Her series counterpart backs away from Romeo after learning who he is, despite being deeply in love with him. The Capulet house have a dark secret. Escules is the tree which holds Neo Verona in the air. Escules is dying and the daughters of the Capulet family are the seeds of the Tree and that they must sacrifice themselves and merge with the tree in order to save the world. Juliet does that when she finds out Romeo is dying. She holds him in her arms and merges with the tree.