A "repack" version of a manga chapter usually indicates an upgraded release by scanlation groups or official digital publishers. Readers seek out the Chapter 1 Repack for several reasons:
Unlike many Isekai stories that feature teenage protagonists, this series focuses on a 35-year-old salaryman. At a crossroads in his life, he is faced with a literal "selection" (sentaku): continue his mundane, exhausting life or be reincarnated into another world. A "repack" version of a manga chapter usually