Why does this manga notified me that it has an update?

same here

And like it was completed ages ago. Maybe it has a connection with the site breakdown hours ago??

Maybe it has a connection to the two other mangas that were uploaded that should be related to this story? http://www.mangago.zone/read-manga/jikan_wo_tomete_matteite/ and http://www.mangago.zone/read-manga/sorenari_ni_romantic/

Maybe.