Chiaki Oogaki is a young girl from the show Yuru Camp. She briefly appeared in "Mount Fuji and Curry Noodles," before officially appearing in "Welcome to the Outdoor Activities Club!".
Chiaki has brown eyes, long bluish-purple hair, and pale skin. She wears her hair in twin ponytails on the side of her head with some of her hair falling onto the sides of her face, has very short bangs, and has rectangular wire-frame glasses.
When outdoors and when camping, she wears black leggings, reddish-brown boots, and a large dark-blue coat.
When at school, she wears the typical female uniform (seifuku, 制服). She's currently wearing the winter seifuku.
Her birthday is on August 31st.
(Source: Yuru Camp Wiki)