Hello,
I unlocked my Top Tier Sissy Slut Boyfriend achievement. Here's a quick recap on my Sissy Tier Chart.
Tier 1: Lock his dick βοΈ
Tier 2: Lock his dick + Use his ass βοΈ
Tier 3: Lock his dick + Use his ass + Use his mouth βοΈ
Repeat Daily βΎοΈ