|Season||Happiness Pretty Cure|
|Birthday Date||November 11|
|Alter Ego||Cure Harmony|
Chou is smart and intelligent. Her personality is opposite of Egao's, but despite that, they are still good friends. She often worries about Egao, because of her thinking that Pretty Cure is not reckless or dangerous.
Heiwa (平和) means "peace".
Chou (蝶) means "butterfly".
"Friendship is the key to everything, Cure Harmony!"
Cure Harmony is Chou's alter ego. Her personality is similar as Cure Harmony's, but is more powerful.
Shiawase Egao - Chou's best friend.
Smiley - Chou's fairy partner.
- Chou shares her voice actress with Higashiyama Seika.
- Chou is the first second Cure whose theme color is purple.