Misumi Uika

is a first-year at Hanasakigawa Girls' High School and the guitarist and one of the vocalists of sumimi. She is childhood friends with Sakiko.

Appearance
Uika is a woman with platinum blonde hair and gentle, lavender eyes. Her stage attire consists of a mostly monochromatic scheme with gold accents, including a black dress, white belt that acts as a waist cincher, ankle length laced black boots, a white tie with gold accents, a gold chain and one black earing.

Profile
In addition to being the guitarist, Uika is also in charge of composing and writing lyrics for sumimi's songs. She is quite popular due to her cool appearance. She loves stargazing.

Etymology
Uika (初華): Ui (初) means "beginning" and ka (華) means "leaf".

Misumi (三角) means "triangle".