Sirena appears in the following archives:
Feet & Legs - 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
Tickle - 1, 2, 3, 4, 5, 6, 7
Sit Crush - 1, 2, 3, 4, 5, 6, 7, 8, 9
Crush - 1, 2, 3, 4, 5, 7, 8
Pedal Pumping - 1, 2, 3, 4, 5, 6, 7, 8
Swallow & Giantess - 1, 2, 3, 4, 5, 6, 7, 8
Swallow - 10, 11, 12
Giantess - 10, 11, 12
Trample & Worship - 1, 2, 3, 4, 5, 6, 7, 8