How does my itinerary look? Anything I should add?

First trip to Japan next February and have come up with the below itinerary, am I missing anything unmissable?

4th Feb: Osaka Arrival

Land in Osaka, check in, explore Dotonbori, Kuromon Market, and maybe visit Nara Park if time allows.

5th Feb: Hiroshima Day Trip

Shinkansen to Hiroshima, Peace Memorial Park, Miyajima Island, then back to Osaka for dinner.

6th Feb: Osaka Day

Morning hike at Meiji no Mori, shopping at Shinsaibashi, Osaka Castle, and Shitenno-ji Temple. Thinking of revisiting Dotonbori at night.

7th Feb: Kyoto Bound

Fushimi Inari, Uji for matcha vibes, then stroll through Kyoto’s streets like Sannenzaka/Ninenzaka.

8th Feb: Kyoto Exploration

Morning in Kurama-Kibune for nature and hot springs, Gear Show in central Kyoto, then Yasaka Pagoda and dinner.

9th Feb: Kyoto Free Day

10th Feb: Tokyo Bound

Travel to Tokyo, visit Shinjuku Gyoen, Pokemon Center, maybe Small Worlds or sumo experience, and end with a city night view.

11th Feb: Mt. Fuji Day Trip

Lake Kawaguchi or Hakone in the day, Akihabara in the evening, then maybe a go-kart tour.

12th Feb: Tokyo Wrap-Up

Shibuya Crossing, Hachiko, Meiji Shrine if there’s time, then head to the airport.