Nikka Hagiwara

Nikka Hagiwara (萩原日課 Hagiwara Nikka) is Chai and Kirino Hagiwara's preferred "cousin". She is known as Extradecima's cheery-type of personality.

Appearance
She has light orange hair that reaches down to her waist. She always wears casual clothes, sweaters, jackets, shorts, dresses, and more.

Personality
She is a loyal and proper girl who is known as the lead signal at her school, and it was inspired by everyone. She is very innocent and knowledgeable at math but not more subjects she learned everyday.

She took care of Chai's behavior, but not Kirino, she cares for her a lot.

Relationships

 * Extradecima - her related apprentice. She cuddles her with care because she dislikes anyone watching her with weirdest looks. She likes her a lot, especially her knowledge, but she cares everything about her herself.
 * Chai Hagiwara - her unknowingly unrelated cousin.
 * Kirino Hagiwara - her first related thinkable cousin.

Trivia

 * Nikka shares her name with the other wiki here.