A.
There are no such passes. Special Tickets are priced at JYP¥3,700 for adults, JYP¥2,000 for juniors, and JYP¥1,000 for children, allowing one entry at any time during the Expo period to a guest with a disability certificate, etc. or one person accompanying such a guest.
https://ticket.expo2025.or.jp/en/faq/
https://ticket.expo2025.or.jp/en/faq/