Anonymous 6/19/2024 08:01:00 No. 56874 [Open] 5997b5 [Reply] report GLNkUVpaoAAbu6o jpg (1.34 MB, 1640x1080) >>/56873/ I believe it is the longest running manga, and considering it is now continuing after the mangaka's death, will likely hold on to that title for a good while.