I only count the editorials that stills publishing to this day: IVREA, Panini Manga, Ovnipress, Kemuri, Utopia, Distrito Manga and Pop Fiction.
PART I: https://myanimelist.net/stacks/21070
PART II: https://myanimelist.net/stacks/21071
PART III: https://myanimelist.net/stacks/21075
PART IV: https://myanimelist.net/stacks/21100
PART V: https://myanimelist.net/stacks/21116
PART VI: https://myanimelist.net/stacks/21149
PART VII: https://myanimelist.net/stacks/21150
PART VIII: https://myanimelist.net/stacks/21152
[POP FICTION ALSO PUBLISHED UROTSUKIDOJI]
Manga, 25 vol, 2003
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OvniPress
Manga, 30 vol, 1993
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OvniPress
Manga, 15 vol, 2009
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OvniPress
Manga, 1 vol, 1989
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OvniPress
Manga, 1 vol, 1991
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OvniPress
Manga, 1 vol, 2001
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OvniPress
Manga, ? vol, 2014
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Author:-
OvniPress
Manga, 13 vol, 2012
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Author:9
OvniPress
Manga, ? vol, 2016
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OvniPress
Manga, 10 vol, 1994
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OvniPress
Manga, ? vol, 2014
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OvniPress
Manga, 22 vol, 2018
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OvniPress
Manga, 13 vol, 2002
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Kemuri
Manga, 1 vol, 2017
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Kemuri
Manga, 2 vol, 2016
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Distrito Manga
Manga, 3 vol, 2020
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Distrito Manga
Manga, 6 vol, 2014
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Distrito Manga
Manga, 20 vol, 2019
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Distrito Manga
Manga, 3 vol, 2016
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Distrito Manga
Manga, 5 vol, 2011
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Distrito Manga
Manga, 5 vol, 2019
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Distrito Manga
Manga, 8 vol, 1996
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Distrito Manga
Manga, 6 vol, 2015
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Utopia
Manga, 8 vol, 2000
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Utopia
Manga, 2 vol, 2016
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Utopia
Manga, 7 vol, 2005
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Utopia
Manga, 6 vol, 2008
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Utopia
Manga, 1 vol, 2013
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Pop Fiction
Manga, 2 vol, 2011
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Pop Fiction
Manga, 2 vol, 2015
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Pop Fiction
Manhwa, 5 vol, 2010
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Pop Fiction
Manhwa, 6 vol, 2006
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Pop Fiction
Manhwa, 6 vol, 2014
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Pop Fiction
Manhwa, 10 vol, 2007
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Pop Fiction
Manga, ? vol, 2018
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Pop Fiction
Manga, 4 vol, 2020
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Pop Fiction
Manga, 3 vol, 2011
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Pop Fiction
Manga, 2 vol, 2009
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Ivrea
Manga, 9 vol, 2019
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Panini MANGA
Manga, ? vol, 2021
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Panini MANGA
Manga, 3 vol, 2017
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Ivrea
Manga, 1 vol, 2021
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Ivrea
Manga, ? vol, 2018
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Panini MANGA
Manga, ? vol, 2015
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Panini MANGA
Manga, 3 vol, 1966
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OvniPress
Manga, ? vol, 2018
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Panini MANGA
Manga, 15 vol, 2003
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Ivrea