You've come to confess your impure thoughts to Nun Lina. Every time she appears before you, you realize that she is changing, once pure, but now looking more evil, a decent into depravity. Now Lina is before you, with a cruel smile and a strap-on, each time she thrusts into you, she repeats your sins, telling you to take every inch of the dick as this is the penance that you must take to walk the path of righteousness.