|Season||Happy Days Pretty Cure!|
|Birthday Date||November 5|
|Hair Color||Dark Green (Miku)
Pink (Cure Sunday)
|Alter Ego||Cure Sunday|
In common, Miku is a real cheerful, lively and energetic girl, however once she tired it becomes very easy to annoy her. She may have a short temper and be very stubborn, but is a nice, great friend who is fun to hang around with. Unlike other Lead Cures, nimble Miku doesn't seem to be clumsy at all and is pretty good at cheerleading. She is okay at sports, but sucks at studing.
Getting supported by Junko
After having a lunch on the school's roof Miku is right about to go inside, but looks at the sky where she sees something strange. Once she looks at it carfully, Miku finds out that it is a toy-like creature falling towards her. Miku starts to panic, untill the creature finally falls down and hits her in the face. She hits the creature back and shouts angrily at it. The creature shouts at Miku as well, but then calms down and introduces as Week.
Becoming Cure Sunday
Cheering on Shina
"Cheery day brings happiness, Cure Sunday!"
Yōkina hi wa shiawase o motarasu! Kyua Sandē!
Cure Sunday (キュアサンデー Kyua Sandei?) is the alter Pretty Cure ego of Miku. She is the Cure of Cheer.
Cure Rainbow Sunday
Miku has several songs performed by her voice actress, Omigawa Chiaki (who is known for voicing Maka Albarn from Soul Eater and many other characters).