 If you liked
Sasayaku no wa Sono Yubi
|
 ...then you might like
Nureru Karada
|
Another story by Riyu Yamakami which deals with mental abuse. Naive/helpless ukes fall for abusive semes. The first one is about mind control while the other (Sasayaku no wa Sono Yubi) is more about physical abuse and rape, still including mental abuse. Both stories are very dark.