Here is the full list of all 8 Forgive My Sins & Desires, Father - there are BL achievements.
Samael Goes to Jail
Samael Gets Married
Samael Leaves the Altar With the Priest
Samael and the Priest Lives Happily Ever After
Samael Is Left Heartbroken
Samael Strangles the Priest
Samael Becomes Obsessed With the Priest
Samael Murders the Priest