Other than the fact that Sunao ni Narenakute is about Twitter friends, the drama still carries with it the darkness we dealt with in Last Friends, except that in SnN: the problems are much more intense. Not only do we deal with the five main characters but we also go into the dark side of the lives of their families/relationships/work.
After watching the first two episodes, this is what I got (spoilers ahead):
salty sweet tears 