Kanna butt > Aqua butt
As long as you aknowledge the superior butt, we don't have to argue.
As far as themes, best OPs belong to Onihei and ACCA imo
I want to stick my nose right in and just inhale deeply.
Because lolicons are a lonesome lot, and want to recruit more sickos. They do this by releasing gateway lolis that have heightened sexual attributes no little girl would have to confuse men.