|Age|| 4-5 (High☆Speed!)|
|English||Megan Vander Pluym|
Ren is a boy with short, straight brown hair and large brown eyes.
Ren's characteristics are befitting for his age. He argues with his sister Ran, and looks up to Makoto as a male influence, after his father. According to Ran, Ren's always late for everything.
Ren and Makoto have a good sibling relationship with one another as Makoto looks out for him like a big brother should.