[FSTB-011] Project SEX: Busty Four Sisters Hot Spring Inn in the Deep Mountains of the Countryside - A Dramatic Turnaround from the Brink of Closure with Seductive Tactics.
A family-run hot spring inn deep in the mountains is famous for its secluded hot springs. When their parents die in an accident, the four sisters decide to take over the inn, which is also their parents' legacy. However, the sisters do not have the ability to run the ryokan and are driven to the verge of bankruptcy. However, the sisters make full use of their boasts of their big tits and successfully restore the ryokan in this project sex story.
