Despite what is being said she is clearly not alive— she hasn’t aged a DAY and the author was intentional about aging the characters… they are getting their happy ending in the afterlife
That is why all that fantasy stuff is being said— they are reuniting in death to enjoy the time that their tragedies stole from them exactly as Sakoto had wished it would be… telling him welcome home
Despite what is being said she is clearly not alive— she hasn’t aged a DAY and the author was intentional about aging the characters… they are getting their happy ending in the afterlife