Kendra ran to the stair access to the roof and bolted up out into the fresh air of the roof, when she got up there she hastily threw off her shirt and pants and shoes and let the change begin.
Slowly Kendra's breast went from an average B-cup to a very sexy C-cup, suddenly Kendra's back exploded as giant bat wings sprung out of it. Then more changes began on Kendra's body, every bit of hair that Kendra had neglected to shave (save tye hair on her head) began to shrink away into her skin and suddenly shs had perfect flawless skin that was litterally shimmering, on top of her hair disappearing all of her body fat went away, she wasn't entirely skinny, but just enough that it was sexy, then her ass became very tight and her tailbone grew into a long tail with a small triangle at the end, her hair started to grow, and it kept growing until it reached well down past her tits, then it went from it's usual brown shade to a shade of purple, she could feel her face changing but didn't know the specifics. Then her skin changed colors from it's usually peach color to a dark red shade, then her nails grew and sharpened to an unnoticable point, the change finished itself with two tiny horns poking out of Kendra's hair.
Kendra pulled her hand mirror out of her bag and admired her sexy body with, she then remembered that in succubus form she had magic powers and conjured up a full sized mirror. Normally Kendra was average when it came to looks, but now she was practically irresistable, did a full spin in the mirror, and admired her sexy body, as Kendra looked at herself she realised she was extrememly horny, she didn't want to hurt anyone with sex so she took off her bra and panties, sat down, grabbed her tit with one and fingered herself with the other and began to pleasure herself.
Kendra furiosly groped her breast and fingered herself until she was screaming with pleasure but she was still horny, she kept at it though, Kendra then grabbed her other tit with her other hand and used her tail to "finger" her pussy, once her tail was pretty much inside her uterus and she was crying with pleasure, she finally decided that self pleasurement wasn't going to work and began searching for another option, she looked around desperately and just outside the school she saw the boy she had a crush on from earlier, she considered how best to go about this and then decided to...