Michelle Redgrave

Chris' sister. She is cheerful and has strong feelings for her brother.

Suffering from the same illness as her late mother, she has been hospitalized in Shield City since childhood.

[Spoiler] Michelle became the reason for Chris joining High Card, driven by the objective of locating the three cards their father had utilized in a life-for-life exchange for Chris in the past. Fortunately, Finn's intervention ensured that Michelle, Chris, and their lives were spared from the involving of the X-Hand 4 of a kind formation. [/Spoiler]

(Source: Official Site, edited)