Rui Kikuchi (Japanese: 菊池 類, Kikuchi Rui) is a supporting character of Sayonara Cramer, voiced by Rena Maeda.
She is a second-year student attending Warabi Seinan High School.
Kikuchi has brown short hair and green eyes.
She is enthusiastic when it comes to soccer.
Rui met the new members of the team. She participated in the match against Kunogi. When she saw Naoko's new uniforms, she didn't like the design. She was supposed to participate in the futsal tournament but became lost after Aya led her to the wrong train. Once the girls had enough money to buy new uniforms, Rui volunteered to design it. When the Saitama preliminaries began, she participated in the match against Asaka Trade.
During club practice she asked Naoko for advice for being a defender. She performs well during the three matches of the Saitama preliminaries.