is Zhao Zanilia just a supporting role in this? She is stated as such but is one of two in the poster. I'm…
She is a supporting character, the love interest of one of the main characters. The poster doesn't show up entirely here (look under photos, it's landscape format), so she is not actually one of two. But her character is quite interesting, so it's def. worth watching if you are a fan :)
http://www.tv-asahi.co.jp/sogeki/
http://hulu-japan.jp/zenigata/
www.wowow.co.jp/dramaw/zenigata
www.nhk.or.jp/jidaigeki/chu-koi
http://movie.daum.net/moviedb/main?movieId=105888
Cast:
Park Joo-bin
Lee Chae-dam
FULL RAW: http://dramacool.to/gappa-sensei-episode-1.html
https://warnerbros.co.jp/movie/jojo/
http://eiga.com/movie/85735/
FULL SUBBED: http://kissasian.com/Drama/Setouchi-Shonen-Yakyu-dan/Full?id=30487
http://movie.daum.net/moviedb/main?movieId=106421
Cast:
Do Mo-se - Byeong-soo
Si Hyeon - Ji-eun
Ye Na - Bo-yeong
http://eiga.com/movie/84558/
http://dramacool.to/boukyou-episode-1.html
www.tv-tokyo.co.jp/boukyou