What pass do we need

Hello, I would be very grateful if you could please help with what train pass to buy,
1 - Narita airport to Tokyo station (staying this area)
2 - sights in Tokyo
3 - Nikko for day
4 - sights in Tokyo
5 - another trip outside tokyo (not decided yet)
6 - travel to Hakone for night stay
7 - travel from Hakone to Kyoto
8 - sights in Kyoto
9 - Osaka day trip
10. - Sights in Kyoto
11 - Kobe day trip
12. - sights in Kyoto
13 - Himeji-jo Castle day trip
14. - travel to Hiroshima
15. - Hiroshima
16. - Hiroshima
17. - travel to Miyajima for night
18 - travel to Nagasaki
19. - Nagasaki
20. - Nagasaki
21. - travel back to Tokyo (Narita airport)
22 - day exploring near Narita airport
23. - Fly back to UK