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when is season 2 of tokyo ghoul coming out
The second season of the Tokyo Ghoul anime series, titled Tokyo Ghoul √A aired from January 9, 2015 to March 27, 2015.
who composed the score for the series Tokyo Ghoul √A
The score for Tokyo Ghoul √A is composed by Yutaka Yamada, who also produced the score for the first season.
how close is the series Tokyo Ghoul √A to the manga
Tokyo Ghoul √A does not directly adapt everything from the manga but mixes in the manga's overall plotline with an original story written by the manga author Sui Ishida.

Question: who is the main character of the series
Self-contained rewrite: who is the main character of the series Tokyo Ghoul √A