いぬやしき (Series) favorite_border

[DeepL Translation - needs review] Volume 1 Introduction: The man has a secret he can't tell anyone!　He is a 58-year-old salaryman and a father of two children. He is a dull man with no hope and no popularity. One day, however, everything changes for him. Here comes a completely new world from Hiroya Oku, who broke new ground in manga expression with "GANTZ"!

(Translator: DeepL)