10 days in Japan - advice needed

Thank you for the advice, really appreciate it.

Please find my revised itinerary, your comment/advice is very much appreciated.

Day 1 (15:45hr) Osaka
Accommodation near Taishi, Nishinari-ku, Osaka.

Day2 (activate With 7-day Japan Railpass)
Osaka – Hiroshima - Osaka
Mazda Museum (10am for the English tour), Peace Park

Day 3 Osaka-Nara- Nagoya-Tokyo (hotel in Shinjuku area)
AM Osaka – Nara
Kofukuji and Todaiji Temples in Nara Park, also see Nara National Museum
PM Nara – Nagoya –Tokyo
Toyota Car Factory

Day 4 Western Tokyo (hotel in Shinjuku area)
Shibuya - walk to Yoyogi Park - visit Meiji shrine - exit the park and enter Omotesando - eat lunch in Takeshita dori and shop around a bit - take the Yamanote line to Ikebukuro and look around there for a bit, finish the day with dinner in Namco Namja town (if you like those food parks) and visit the top floor for a view.

Day 5 Northern/Central Tokyo (hotel in Shinjuku area)
Tsukiji - Asakusa - Ueno - ferry to Odaiba - spend evening in Odaiba.

Day 6 Side trip to Mt Fuji (hotel in Shinjuku area)

Day 7 (hotel near Tsukiji Fish Market)
Tsukiji Fish Market (4am)
Northern Tokyo – Sensoji Temple, Rikugien (landscape garden), Imperial Palace & Gardens - Yasukuni & war museum

Day 8 Tokyo – Kyoto
AM Kinkakuji and Ryoanji in the morning/early afternoon
PM Nijo Castle + surroundings

Day 9 Kyoto
Eastern Kyoto - Kiyomizu-dera Temple complex, Gion

Day 10 Kyoto– Kansai Airport
On the final day, return to Osaka to catch the flight home @16:55

Thank you for the advice, really appreciate it.
Please find my revised itinerary, your comment/advice is very much appreciated.

Day 1 (15:45hr) Osaka
Exchange order to JR Pass @Kansai Airport and make seat reservations.
Accommodation near Shin-Osaka

Day2 (activate 7-day Japan Railpass)
Shinosaka – Hiroshima - Shinosaka
Shinosaka Sation -Hiroshima Station -Tram (15min, 150yen) - A-Bomb Dome stop - Peace Memorial Park- Peace Memorial Museum (50yen) - lunch @Okonomimura, a building where a lot of Okonomiyaki stands flock

Day 3 Shinosaka-Nara- Shinosaka -Tokyo

AM Osaka-Nara-Osaka
Shin-Osaka -(Tokaido Line rapid)-4 min - Osaka (JR rapid)- 60min-Nara Sation - Bus - Todaiji Daibutsuden- walk- Todaiji Temple
PM Shinosaka -Tokyo
Shinosaka Sation - Shinkansen hikari trains (3 hours, left side or seat D and E to view Mt Fuji) -Tokyo Station - Shinjuku (hotel in Shinjuku area)

Day 4 Western Tokyo
Shibuya - walk to Yoyogi Park - visit Meiji shrine - exit the park and enter Omotesando - eat lunch in Takeshita dori and shop around a bit - take the Yamanote line to Ikebukuro and look around there for a bit, finish the day with dinner in Namco Namja town (if you like those food parks) and visit the top floor for a view.

Day 5 Northern Tokyo
Sensoji Temple, Rikugien (landscape garden), Imperial Palace & Gardens - Yasukuni & war museum

Day 6 Yuzawa Day Ski Trip
Tokyo Station- Toki trains 75min- Echigo-Yuzawa Station

Day 7 Central Tokyo
Move hotel near Tsukiji Fish Market
Tsukiji - Asakusa - Ueno - ferry to Odaiba (Toyota Mega Web) - spend evening in Odaiba.

Day 8 Tokyo – Kyoto
Tsukiji Fish Market (4am)
Tokyo Station- Hikari trains about 160min- JR Kyoto Station

Day 9 Kyoto
AM Kinkakuji and Ryoanji in the morning/early afternoon
PM Nijo Castle + surroundings

Day 10 Kyoto
Eastern Kyoto - Kiyomizu-dera Temple complex, Gion

Day 11 Kyoto– Kansai Airport
AM Fushimi Inari Taisha Shrine
On the final day, return to Osaka to catch the flight home @16:55