|Season||5 Lights Pretty Cure!|
|Home Place||Hikari Town|
|Relatives||Yamamoto Yuri (mother)
Yamamoto Luis (father) Yamamoto Komachi (sister)
|Alter Ego||Cure Earth|
Rena is quiet calm girl. She is good at studying. She loves to read and dreams to be a writer.
Ayuzawa Mizuki - After Mizuki became Pretty Cure they became very good friends.
Ann - At the begining Ann and Rena didn't have any special relationship, but later they came closer and Rena noticed that she has crush on his human form.
- Rena is a bit similiar to Akimoto Komachi
- They both want to become writers and love to read.
- Relationship Rena has with Ann is similiar to one Komachi has with Nuts.
- By coincidence Rena's older sister's name is Komachi.