Etsuko Hosaki is a character of Idol Jihen. She is part of the Sunlight Party.
Etsuko has long grey hair worn in a high ponytail with a gold and brown scrunchie. Her long bangs curl outward, while her thick forelocks cover her ears with several loose strands. The hair on the right of her head appears longer than that of the left. She has big, feminine purple eyes with a pale pink tint.
Etsuko wears a plain brown shirt beneath a bright orange parka with white and green detail, along with a big sphere attached to the zipper pull. She also wears denim short-shorts with ripped bottom and a single gold button. Her cream-colored sneakers have white and red detail, along with a colorful dot pattern.
- Her birthday is October 20.
- Her blood type is B.