После изменения:
ReadMangahttp://readmanga.me/sayonara__sad_sensei
Wikipediahttps://en.wikipedia.org/wiki/Sayonara,_Zetsubou-Sensei
Baka-Updateshttps://www.mangaupdates.com/series.html?id=5433
MangaFoxhttps://manga-fox.com/sayonara-zetsubou-sensei
Mangachanhttp://mangachan.me/manga/3790-sayonara-sad-sensei.html
Mangahubhttps://mangahub.ru/sayonara_zetsubou_sensei