Eri Yuuki

Eri Yuuki is the main protagonist of Wonderful Precure,Her shugo chara is Ran.Her alter ego is Amulet Heart.Her catchphrase is

Appearance
As a civilian ,she has sky blue eyes and sky blue color hair that tie into twintail.She wear a pink dress over a white color T-shirt.

As Amulet Heart,Her twintail is change to a ponytail with a red heart-shaped hair clip.She wears a red dress with short puffy sleeves and pink hearts decorating it. The skirt is lined with white lace with a red and white ribbon with a heart in the center. There is a red and white bow on the left side of her chest with a ruby gem in the center and she also wears a red and white choker that ties in the back and red heart-shaped earrings. Also on the back is a large red bow. She also wears long red and white stockings with red shoes.

Personality
She has a cheerful personality,she is energetic and interested in sweet and science.She doesn't believe anything that is not scientific but by encouraging by Ran,She becomes Amulet Heart,However,she still considers Ran as Alien.

Relationship
Yuina Arisugawa:They meets in ep 2,when Yuina's dream egg is taken,she saves Yuina and make her shugo chara ,Miki born.They immediately becomes good friend.

Amilie Nijisaki:Chinami always help to stop Amilie and Setsuna Argument.They are classmates.

Mai Yuuki:Although they are siblings,their relationship is not good.They becomes friendly to each other since ep 23.

Setsuna/Chris:She considers Setsuna as best friend and she loves Chris,After knowing Setsuna is Chris and Setsuna is her enemy,she feels very mad.But finally,she helps to purify Setsuna,and They celebrate their birthday together.