The Cutie-Mark Crusaders have reached that certain level of physical maturity, an age where they go from a filly to a young mare. Unfortunately for them, this means they have to endure something that all young mares have to: their first intense Spring estrus cycles, which happen to be synced. Lucky them.

After a grueling day in school, dealing with other in-heat fillies and an in-heat teacher mare, then getting drenched in a torrential downpour, the Cutie-Mark Crusaders retreat to their clubhouse and end up getting much-needed relief together. They also learn some things about estrus, sex, each other - and themselves - as well in the process.

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NOTE: Alternate universe tag added ONLY because Tender Taps is introduced before Apple Bloom gets her Cutie Mark. The rest is the exact same as the canon universe.

This story contains ANATOMICALLY CORRECT PONY AGE-PLAY FOALCON. LOTS of bumbling, first-time, in-heat lesbian foalcon sex, fillies looking at porn, sexual experimentation and strap-on dildos with TONS of wanton, instinctive sex and stuff. I'm just getting that out of the way now. If you don't like foalcon and want to not read it, sorry, but you're going to be sorely disappointed if you read this. Each individual chapter is tagged with what it contains, so use your own discretion.

Full Tags: Young mares in their first estruses, talking about estrus, implied thoughts of mare on colt foalcon, implicit thoughts of sex, as well as discussion of sex and sex toys by fillies, in-heat fillies looking at/playing with sex toys, masturbation [hooves], pheromones/scents, mutual masturbation (hooves), and multiple orgasms, including extensive female ejaculations, in-heat fillies looking at pornography (F/solo, f/f, m/f, f/f/f), f/f cunnilingus (oral), mutual cunnilingus among three fillies (daisy-chain), the self-defloration of said three fillies via dildo, group masturbation (dildos), filly-on-filly-on-filly threesome with strapon dildos (vaginal and unintentional anal sex) to the point of exhaustion, fillies kissing/making out, artificial insemination (with fake semen; anal, vaginal) via machine, and the aftermath of the sexy-times, including another walking in on it after the fact.

As of Sep. 2nd, 2016, this story got 1,000 views! Yay!

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Credits:

This story was commissioned by a pony who wishes to remain anonymous. Thank you very much!

This story uses this story by Rocinante as a reference and inspiration and borrows some ideas from it. Feel free to check it out, it's a great read!

The cover art contains snippets from the original image that I was told inspired this story, drawn by 'average-hanzo' on e621. Site contains NSFW content, needless to say.