There is a bit of spoiler if you only watch anime and as well as some stuff from a 4 chapter one shot that takes before the story. I recommend reading that because it comes into play a lot.
(〜 ̄△ ̄)〜 Sure other people have so much going on in their while I'm here just reading yaoi. ┑( ̄Д  ̄)┍ Hey I'm sure anti complaining ╮( ̄▽ ̄)╭ I have more time to read yaoi's
There is a bit of spoiler if you only watch anime and as well as some stuff from a 4 chapter one shot that takes before the story. I recommend reading that because it comes into play a lot.