Japanese manga writer best known for romantic and domestic drama stories, including Ashitaba-san Chi no Muko Kurashi and the isekai romantic comedy Isekai Affair: 10 Years After Defeating the Demon King, serialized in Shogakukan's Monthly Sunday GX. He has published multiple series through major Japanese publishers.
Creator
Masakazu Ooi
Biography
Creator Details
Name
Masakazu Ooi
Role
Artist
Issues
1,084
Series
24
Also Known As
大井昌和
Gender
Male
Country
Japan
Series
View all 24
Issues
View all 1,084
#202603
#202601
#2
#1
#202511
#3
Volume 3
Isekai Affair: 10 Years After Defeating the Demon King, the Hero Cheats on His Wife with a Warrior Woman Who Lost Her Husband (2025)
Sep 09, 2025
#1
#202509
#202507
#202506
#2
Volume 2
Isekai Affair: 10 Years After Defeating the Demon King, the Hero Cheats on His Wife with a Warrior Woman Who Lost Her Husband (2025)
May 06, 2025
#202505
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