User blog comment:Omega natsu2/Fairy Tail Episode 206: Panic of Library, Review./@comment-4449950-20141101042510/@comment-1359322-20141101044714

Natsu appearing in the library is definitely stupid. 1 day in the CS realm = 3 months in the human realm. Natsu was there for more than 1/2 minutes. It's obvious that he should at least be away for a few hours to days at least.