4 days Tokyo - Bullet Train - 4 days Osaka

Hi Daniel san,

We plan to visit Tokyo for 4 days before taking the bullet train to Osaka for another 4 days. Our itinerary are
listed below:
Day 1 - Arrive Tokyo at 6pm.
Day 2 - Tokyo
Day 3 - Tokyo
Day 4 - Tokyo
Day 5 - Travelling from Tokyo to Osaka via Bullet Train
Day 6 - Osaka
Day 7 - Kyoto
Day 8 - Kyoto
Day 9 - Travel to Kansai International airport.

May I know your recommendation please for 4 adults and 3 children (3-12 years old)? Many thanks.

Regards,
WH