淫縛の鐘の音

I received a letter from my childhood friend.
She was a resident maid of the Shichijo estate.

"The roads will be closed during the off-season,
what do you say to coming and working here for a while?"

I agreed to at least visit the place, but what I saw... my childhood friend Kimi whipped and beaten by head servant Murata... her body twisted into contortions of painful joy...