Re: The Fairy, the Succubus, and the Abyss. V1B10P (Updated February 17th, 2014)
I checked out the spider's sex event. It was a bit different than the common event I use with most monsters so I copy/pasted the common code and removed most of the spider's sex code.
I tried to figure out what I had done differently but I didn't really locate the problem. I was also wary of the -1 semen whenever Sienna gets pregnant so I removed that as well.
Hopefully these changes will fix the issue in 1B11.
Yes all sprites are equipment. If you keep getting sprites then you might need to change Sienna's diet.
While making the list below I realized I forgot to do away with food variables at the end of each pregnancy, so if you've had Adivia yet then I'm sorry but you can't have any other types of children aside from her and the two types of sprites you're currently getting. That will be fixed next update and your game will auto-correct when you transfer saves to 1B11 and have a child (that one will still be from the Adivia set, but the next one will be different).
Here's a diet of what you should eat to get each child. Keep in mind that the game does keep track of what you eat from the beginning of the game and never forgets. I will try and put in a way to keep track of this at some point.
(Useful tip: Eating bread before another food will give you double credit for that next food you eat. For example if you eat 1 bread and then eat 1 apple then the following list will view that as you eating 2 of apples, carrots, onions, or oranges category)
To have Vallerie you should not eat Apples, Carrots, Onions, or Oranges.
Eat more Grapes, Potatoes, Fish, or Cheeses than you ate of the above.
Eat more Meat, Eggs, Mushrooms, or Nuts than you ate of the above.
(possible by eating only one Meat from the start)
To have Charlene you should not eat Apples, Carrots, Onions, or Oranges.
Eat more Meat, Eggs, Mushrooms, or Nuts than you ate of the above.
Eat more Grapes, Potatoes, Fish, or Cheeses than you ate of the above.
(possible by eating only one Potato from the start)
To have Clarinda you should not eat Meat, Eggs, Mushrooms, or Nuts.
Eat more Apples, Carrots, Onions, or Oranges than you ate of the above.
Eat more or same amount of Grapes, Potatoes, Fish, or Cheeses that you ate of the above.
(possible by eating only one apple and one potato from the start)
I would highly suggest getting the other three children before getting Marissa and Adivia.
To have Marissa you should NOT eat Meat, Eggs, Mushrooms, or Nuts.
You should also NOT eat Grapes, Potatoes, Fish, or Cheese.
Eat more Apples, Carrots, Onions, or Oranges than you ate of the above.
(possible by eating only one apple from the start)
To have Adivia you should excessively eat Apples, Carrots, Onions, and Oranges. Once you have Adivia you can not have other children types until 1B11 is out. You will only have Guardian and Purple sprites.
After you have a child but you have the same food results then you will randomly have one of two types of sprites. These can be fed by using the Nursing item at any time, as often as you wish.
Its great talking with a dev when making a new game :3 
