SGA Audio

Your girlfriend, Bobbie, is dismissive of your claim that your strength and size is God-given and nobody can match it. So much so that she’s determined to prove you wrong and bets on it. Soon, impossibly, she's gaining muscle by the minute and isn't stopping. Whose side will God take in the end?

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Outsized by your Girlfriend

Megan has been growing stronger since the girls transformations began, and she hasn’t minded it. In fact, she’s been enjoying testing her limits, finding collecting firewood easier each day as her muscles strengthened. Today, however, she’s going to have her biggest growth spurt yet.

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A Big Camping Trip - Part 3: Megan’s Muscles

You wake up to find yourself frozen to the spot as a bulky demoness rests atop you. And she’s hungry for something only you can give her. She’s hungry for size, and power, and she’s going to have both very soon.

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Your Growing Paralysis Demon

Join Fiona Mystica, the cheeky growth witch, as she tests out some of her new spells and shares the exciting results! There are 5 spells included in this collection: Breast Expansion, Butt Expansion, Height Growth, Weight Gain and Muscle Growth.

Mystica is the new discord bot in the SGA Discord server, and she can help you grow into your own giantess as well as tell fun giantess stories and minigames. Join the server if you’re interested!

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Mystica's Growth Stories

Three Bonus Stories featuring GTS Growth + Expansion, Muscle Growth and Weight Gain/Water inflation respectively. Enjoy a relaxing trip to the beach, or just some new and exciting play with your always incredible slime girlfriend in these three short bonuses to the main series.

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Your Growing Slime Girlfriend: Bonus Stories

Your girlfriend Luna is a werewolf, and tonight is the night she transforms. Watch as your girlfriend transforms erotically into a huge muscular werewolf!

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Your Girlfriend is a Werewolf

The princess is in trouble. She knows none of her brothers will lead the country well, and must secure the throne for herself to do right by her people. She proposes a test of strength, but in order to stand a chance at the contest, she sets out to find a mysterious muscle-mancer to gain the strength she needs to become queen.

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Long Live the Queen

Dr Grace has an appointment with a girl she last saw years and years ago, but when she comes in she's grown quite huge. Apparently, Cassandra has a strange ability where her muscles grow whenever they're used, but Dr Grace doesn't seem to quite understand. It seems the only way to prove it to Dr Grace is to show what Cassandra can do.

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Muscle Checkup

Skye is your workout partner, and she's got some new strength supplements that are just incredible! She's quickly unbelievably strong, but that doesn't dissuade her from wanting to get even stronger!

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Skye's Strength Supplements

Trina is back for another extreme workout, and she's gonna try to get even stronger than last time! She may start small and cute, but Trina is a muscle-building machine, and she's soon too strong for the gym equipment!

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Trina's Bigger Workout

One day, your sister calls you into her room, and asks you to hold her hand. Hesitantly, you grab on, and a sensation flows through you. Are you... shrinking? And what's more, she seems to be getting stronger too. Just how much of your size is she planning to steal, and how strong will it make her?

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Strength Siphoning Sister

When you need to demolish an entire city, Kathy is the girl to call out. She'll level the city to the ground overnight, and have lots of fun doing it. Listen to Kathy as she levels a city in this audiobook!

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Kathy, City Demolisher