If you want to enslave Val (or want her to become your willing lover), read this transcript if you're curious to see what's gonna happen during it.
Wondering how you ended up on this route to begin with? Read the intro transcript.
This transcript starts from that you find the first Secret Note in the Dungeon until the end of the route (both her becoming a willing slave and if you decide to enslave her).
Note that Sarah must be in her Eager to Please form for this route to play out.