i need manga with sad story but no romance. Does anyone that kind of manga?

http://www.mangago.me/home/mangalist/553028/

Natsume Yuujincho has some sad stories and just a very melancholic atmosphere and no romance for the main characters.

http://www.mangago.me/read-manga/like_a_butterfly/
first story here its sad but beautiful in my opinion
http://www.mangago.me/read-manga/kitsune_to_atori/

http://www.mangago.me/read-manga/nanohana_boys/