Obake Tango

Summary
Tango is my fiancé. "Ako, when you grow up, you should become Tango's bride." 7-year-old me showed no protest to my grandma's words. However, a traffic accident changed both our fates.
Tango is my fiancé. "Ako, when you grow up, you should become Tango's bride." 7-year-old me showed no protest to my grandma's words. However, a traffic accident changed both our fates.
Who was that girl ??
What is it?
Bruh......