Crystal

Crystal (クリスタル) is one of the three protagonists of Golden Time and is one of the two protagonists in Ocean Blue. This is the original depiction of Cris Lee, as created by Alex Guy.

She appears prominently in Stardust Frontier and Stardust Requiem, and briefly in Regional Crusaders. She, Aurea, and Argento are the third central characters in the Evershade series.

Crystal is an assistant of Dr. Murphy along with her best friend Aurea in the Corona region. After the Gold Orbs are stolen by a mysterious passerby boy, Crystal is sent by Dr. Murphy to retrieve them with Aurea, a task that requires traversing the entirety of the Corona region.

Final Endings
By this arc, Aurea and the rest of the protagonists have died of natural causes.