First off the MC are male and female an you will need to play as both genders in order to complete your tasks through out this AVN. It will be up to you who you decide to get to know as a love interest or choose to be naughty with only. This is meant to be played through at least twice to see a different out come and if you're someone that want to achieve everything then it will take you a little longer for that.
There's times where you will need the use the arrow keys and click on the mouse fast in order to win some fights through out this AVN but it will make a difference weather or not you win/lose the fight. Both MC have at least 6 people they are able to get involved with and it's up to you to find all hidden items during your time looking for your half-sister.