Y/N L/N is the smartest in Asahiyama High School, other students admire him because of how even though he was in a higher place than everyone he was still very down to earth. But what the students didn't know is that he lives a double life as the vigilante Kamen Rider Decade. But what if a red haired girl asked him to tutor her and her sisters and he agrees. But what didn't they know is that they just entered a world where they would find out about his true self and they develop feelings for him. What will happen to them if the Dark Riders find out about them? Find out in The Quintuplets Savior. I don't own Quintessential Quintuplets I also don't own Kamen Riders and the fan art that I use here.

This story is about Y/N (The reader) and Ruka Sarashina this occured after Chizuru and Kazuya got closer with each other and Ruka on the other hand got lonely and her bpm got lower. With her heart now in question for her she got back into the Rent a girlfriend world meeting Y/N and bragging it over to Kazuya what would happen in the story read it now.