Rukoria is a character in Dragon Quest X. She had a close relationship with her twin sister Rezerotta, and was devastated when the latter passed away in an accident. After finding her late sister diary, which mysteriously contained entries written after the date of her passing, Rukoria grew suspicious, and learned that Rezerotta and the other children were trapped in False Rendacia's version of Seled. Using the diary, she tried warning the townspeople that the evil Sudok was deceiving them into beliving the expired children had become evil spirits, but was not belived by her father until the Hero proved her right.