Saki Rouyama (楼山 早輝 Rōyama Saki) is Go-On Yellow (ゴーオンイエロー Gōon Ierō) of the Go-Ongers. Nicknamed the "Sweet Angel," she was a concessions vendor who worked the stands of the Twin Ring Motegi racetrack before becoming a Go-Onger. Her mecha is Engine BearRV. Her Power Rangers: RPM counterpart is Summer Landsdown, the Yellow RPM Ranger.