If you want to vote for your favorite character visit the official kodansha poll. Be aware that this site is Japanese! If you don't understand Japanese you find a "how-to-vote-guide" here! Don't forget to check out the order of the characters before you vote!
Happy Voting!
Breakout your Google Translate app! It'll take a bit of time and it doesn't translate all the names perfectly, but it does a good enough job to help you find your favorite. Be sure to read the directions as well :) Happy voting!
Official Character Popularity Poll Results
01. Miyuki Kazuya
02. Sawamura Eijun
03. Kuramochi Youichi
04. Kominato Haruichi
05. Furuya Satoru
06. Kominato Ryosuke
07. Takigawa Chris Yuu
08. Narumiya Mei
09. Yuuki Tetsuya
10. Isashiki Jun