The Great Arrival (200 years ago)

Massive Wave of Isekai’d Cats:

• Unknown cause - catastrophe in human world? Mass event?
• Population doubled in one generation
• Unprecedented number of arrivals over short period (10-20 years)

Cultural Shock and Integration:

• Native infrastructure overwhelmed
• Conflicts over resources and cultural differences
• Eventually led to cultural exchange and enrichment
• Establishment of current social systems
• Creation of Welcome Halls and support structures

Technological Advancement:

• Isekai’d cats brought new ideas and perspectives
• Combination of native wisdom and newcomer innovation
• Foundation of Whisker-Punk era
• Engineering breakthroughs
• Economic expansion