Fairytail NALU

When the guild was built back together and master Macarov was also managing the guild, team Natsu went in a mission but something went wrong. Lucy was hurt from the anger of the team.
The strong wizards was invited to participate the 100 quest about protecting people from raging demons. Happy and Lucy was left behind but they had made the guild strong.
5 years later a lot has changed and the participants was back what happens next??