2 week Japan Trip for early April. Need Advice

I'm planning a trip to Japan for early April. This will be my first time traveling internationally. I could really use some advice on my itinerary.

Day 1: Tokyo:

Land at Haneda,

check-in at hotel in Asakusa

DInner at Tsune Sushi

Day 2: Tokyo

Senso-ji Temple

Nakamise Dori

Tsukiji Fish Market

Day 3: Akihabara

Super Potato,

Radio Kaikan

Origami Kaikan

Day 4: Tokyo

Ueno Park

Toshogu Shrine

Explore Ameyoko

National Museum of Nature and Science

Ueno Zoo

Day 5: Tokyo

DisneySea

Day 6: Hakone Overnight stay

Hakone Cablecar

Hakone Ropeway

Hakone Sightseeing boat

Hakone Shrine

Check-in at Ryokan

Day 7: Tokyo

JR railway Odawara to Shinjuku

Explore Shinjuku

Shinjuku Gyoen Garden

Day 8: Tokyo

Explore Shibuya

Shibuya Sky

Yoyogi Park

Harajuku

Tokyu Plaza

Day 9: Kyoto

Shinkansen to Kyoto

Fushimi Inari

Arashiyama Bamboo Grove

Explore Arashiyama

Day 10: Osaka

Shinkansen to Osaka

Abeno Harukas

Osaka castle

Explore Tenma

Osaka Tenmangu Shrine

Umeda Sky Building

Dinner at Dotonbori

Day 11: Nagoya

Shinkansen to Nagoya

Nagashima Resort

Nagashima Spaland

Nagashima Spa Yuami no Shima

Mitsui Outlet Park Jazz Dream Nagashima

Nabana no Sato

Day 12: Nagoya

Nagoya Aquarium

Toyota Kaikan Musuem

Toyota Automobile Musuem

Day 13: Nagoya (Food Day)

Solo Pizza

Osso Brasil

Jiraiya

Hitsumabushi Ino

Misokatsu Yabatan

Sekai no Yamachan

Ryoguchiya-korekiyo

Kato

Day 14: Tokyo

Shinkansen to Tokyo

Pure Blue Japan

Momotaro Jeans Aoyama

Day 15: Tokyo

Depart Home at Haneda