Less than (or max) 20 pages per chapter. (Include all genres)
Manga, 1 vol, 2020
Me:-
Author:8
Manga, 5 vol, 2017
Me:-
Author:-
Manga, ? vol, 2022
Me:-
Author:7
Manga, 4 vol, 2019
Me:-
Author:7
Manga, 3 vol, 2011
Me:-
Author:8
Manga, 2 vol, 2020
Me:-
Author:7
Manga, 4 vol, 2016
Me:-
Author:-
Manga, 1 vol, 1993
Me:-
Author:7
Manga, ? vol, 2023
Me:-
Author:-
Manga, 4 vol, 2020
Me:-
Author:8
Manhua, ? vol, 2016
Me:-
Author:-
Manhwa, ? vol, 2014
Me:-
Author:-
Manhua, 1 vol, 2015
Me:-
Author:7
Manhua, ? vol, 2018
Me:-
Author:8
Manga, 1 vol, 2009
Me:-
Author:-
A suggestion by @afsha_chan! Thank you ;)
(the first 2 chapters of the manga have a few more pages than 20)
Manga, ? vol, 2019
Me:-
Author:9
Manga, 1 vol, 2018
Me:-
Author:6
Manga, 1 vol, 2018
Me:-
Author:7
Manga, 1 vol, 2018
Me:-
Author:7
The last chapter has >20 pages
Manga, ? vol, 2018
Me:-
Author:7
Manga, 12 vol, 2015
Me:-
Author:-
Manga, ? vol, 2010
Me:-
Author:-
Some chapters have >20 pages
Manga, 3 vol, 2020
Me:-
Author:-
Manga, ? vol, 2021
Me:-
Author:9
Some chapters have >20 pages
Manga, 1 vol, 2014
Me:-
Author:7
Manga, ? vol, 2021
Me:-
Author:8
Manga, 5 vol, 2019
Me:-
Author:-
Manga, 7 vol, 2018
Me:-
Author:-
Manga, 1 vol, 2016
Me:-
Author:7
The first chapter has >20 pages
Manga, ? vol, 2018
Me:-
Author:7
Manga, 2 vol, 2019
Me:-
Author:8
Manga, 1 vol, 2016
Me:-
Author:8