GensokyoRakuen ka Keikaku 04
found a really nice little age progression here. Its a short little one shot and the AP happens on page 16. I'll go ahead and include those images.
Just to let everyone know this is a Touhou Project comic. So be prepared for some familiar characters if you know that series. There is some Lolli material in this comic as well combined with sex.
linky:
http://exhentai.org/g/500614/0d2324ebae/
Yes its exhentai, use the familiar tricks as work arounds to get past sad panda.
Sad Panda Tutorial