Which character is the perspective limited to?

1.) Stay in Hana's perspective exclusively
2.) Use someone else's perspective while following Hana
3.) Stay in Hana's perspective primarily, but allow perspective shifts to other characters at any time
4.) Something else?

• Stay in Hana's perspective exclusively
• Use someone else's perspective while following Hana
• Hana's perspective mainly, but with some shifts
• Something else?