She is the older sister of Furutani Kaede.
She has blue hair, large breasts and always speaks in feminine and polite speech. Her large breasts often bring out jealousy from Oomuro Sakurako. She and Sakurako have been arguing and competing against each other dating back to their childhood, though they do seem to hold feelings for each other. Yoshikawa Chinatsu and Akaza Akari are also classmates of hers.