Please help me with itinerary check, First time travellers

Is my Itinerary for 8 days in Japan good for first time traveller (2 people)?

D1:
– Arrived at Narita Airport
– Go to hotel at Nippori station
D2:
– Ueno Park, Sensoji, Akihabara, Hijiri Bridge(Suzume) , Tabata station(Tenki no Ko)
D3:
– Shiba park, Odaiba marine park(Tenki no Ko) , DiverCity Plaza
D4:
– Shinjuku Gyoen Garden, Tokyo Metropolitan, Shibuya Sky, Shibuya Crossing, Pokemon Center Shibuya
D5:
– Fuji Day Trip
D6:
– Suga Shrine(Kimi no Nawa) , Kamakura
D7:
– FREE(might shopping)
D8:
– Airport