Thanks to a mixture of Miuna's sharp hearing and Tsumugu and company's research, a route into Shioshishio has been found, allowing Miuna to accompany Hikari and Kaname on their return home.
Of course, with the rest of the populace still in hibernation this is a decidedly eerie homecoming, and although Hikai admonishes Miuna from being creeped out by the statuesque individuals dotted around town