Day 1 Arrive Narita Airport travelling to Akihabara
Stay in Akihabara 4 nights to explore Tokyo (Shibuya and a day trip to Hakone)
Travel to Kyoto Day 5, stay in Kyoto for 3 nights (Kyoto itinerary not set possibly Hiroshima day trip)
Travel to Osaka Day 8 (Osaka itinerary not set), stay in Osaka for 3 nights
Exit Japan in the 8:30 pm Day 10
Thank you for your prompt reply.