SPOILERS!!!
I liked it so far, I tried to get all the endings possible as In current state, id like to learn more about them but also id like an ending that relates to Harlequin becoming the 'lover' also the pink ticket has potential to make two endings one where we somehow learn what happened to the angel and one where we get in the situation we got in that original pink ticket ending BUT Pierrot or Harlequin save us. Also a nice route would be one where we meet Harlequin but not Pierrot or well simply Pierrot didn't give us attention and Harlequin found us or one where we meet Pierrot but Harlequin might meet us but shows no interest in us. The story has a lot of potential so I recommend you take your time writing it. It can end up perfect with enough thought.