*See below the break for content warning.*

Spike and Twilight have always been very close, and ever since the day she'd hatched him they were like mother and son. When Spike hit adolescence however, his feelings for her evolved from simply mother and son to lovers...for him, at least. When all is said and done however, Twilight might learn some things about dragon anatomy and reproduction that she never learned in any of her books...and record it. For science, of course, but also for love.

~

EDIT: On 10/4/15-10/6/15, this story was FEATURED! AAAAAH! THANKS GUYS! ...AND AGAIN ON 10/13?! HOLY PRINCESS SUNBUTT YOU GUYS ARE AWESOME!

EDIT 2: As of July 4th 2016, I have 7+ views and 520+ likes. I literally have no words. Thank you all so much for your support!

EDIT 3: IT'S OVER NINE THOUSAAAAAAND...views as of 3/10/18, that is. Y'all are awesome, and thanks so much for loving this story!

EDIT 4: Wow, hay of a welcome back for my (long-delayed) 8th chapter guys. Featured 5/16/18. Thanks for the support!

EDIT 5: Again on 6/18/18

I am aware there is not a very creative nor original setting for this story, but I kinda just wanted to write it regardless and didn't want to spend ages setting up for the action, as the show has done that well enough for me already.

TLDR: I regret nothing - yay SpiLight!

As a general warning, this story is kinda fetishistic, as are most of my stories. This particular one contains, in no given order: an interspecies romantic relationship between a dragon and a mare, potentially technical incest, exhibitionism (kind of; camcorder recording for scientific reasons, and the viewing of said recordings), anatomically correct genitals including spiny hemipenes (2 penises), male masturbation, deep penetration/slight cervical penetration, multiple orgasms in short amounts of time, light cum inflation and knotting/tying, as well as possibly impregnation; shower sex (quickie vaginal), extremely minor masochism (hair-pulling with claws digging into flesh, biting; no wounding done), and unintentionally sexualized medical trans-vaginal and trans-rectal ultrasound and an incidental orgasm from such, and more male masturbation and vaginal sex. If you don't like any of this...I don't know what to say.

SUPER spoilers: impregnation, pregnancy, pregnancy sex, minor lactation, and non-graphic birth.

Also, please feel free to comment, whether praise, discussion or constructive criticism. I like hearing what people have to say about my writing, as well as ways I can improve. What I do not like outright bashing of anyone's work based only on it containing a certain pairing or personal bias against certain traits of the story. If you don't like it, OK. Nopony's making you read it.

As for them still being in the Golden Oaks Library as opposed to the Friendship Castle, this story is based after Twilight was ascended, but before Tirek showed up.

Credits:

The draconian anatomy depictions used were heavily inspired by the older MLP comics by Kitsune Youkai on e621 (site contains NSFW content) - namely inspired by 'Dragon You Over' and the standalone Spike-related pics - and their breeding habits partially by Dreamscape in this story. Obviously, I added my own takes to these and simply used them as a base.

BetaHammer also recommended I split a chapter to improve story flow and make some suspense, so thanks for that.

As for the NEW cover art, it's a portion of artwork done by 'the minuscule task' on derpibooru, #1328825.

Also, a special thanks to refferee for editing the story for me post-publish. Thank you!