 At first she was written with the concept of having grown into an adult but still remaining the same inside; the game's director and writer, Takeshi Yamazaki, thought that this unchanged personality felt strange considering nine years had passed within the series' story since her last appearance, so it was decided to at some points have her act more maturely, to show that she had grown.To further this, her mastery of spirit channeling was written as improved compared to her last appearance.Yamazaki had problems with writing her dialogue, and said that he had to try his best to get her to sound right.