The grave of a man named Chou Shakurin has been disturbed in the Chinese countryside. A girl named Houhou, claiming to be the granddaughter of the grave's occupant, appears there. At the same time, Chou Soran, a student at a college in the city, has returned to the countryside to visit his grandfather Shakurin's grave.
You're my older sister!
!أنتِ أختي
Du bist meine Schwester!
Tu es ma grande sœur !
Sei la mia sorella maggiore!
Você é minha irmã mais velha!
ты моя старшая сестра!