This week’s top Tier bonus brings Chapter 6 to life: an AI-generated video of “More.”
Watch Lana in the empty classroom as she gives in to her growth. Clothes strain, m...
2025-07-17 10:00:00 +0000 UTC View Post
On the field, Lana’s done pretending to be normal.
Her tank top strains across her chest, her arms pump casually as she curls the weight, and every student watching knows. She’s on another l...
Just uploaded the SFW bonus image set for Chapter 6. This one captures Lana’s transformation in the classroom. Every detail of the tension, the swelling muscle, the expressions she makes as it al...
2025-07-16 14:00:00 +0000 UTC View Post
Want the uncensored version? 10 NSFW bonus images waiting for Heavy Gains patrons Unrestrained transformations and exclusive scenes Subscrib
Want more?
10 NSFW bonus images wait...
2025-07-15 18:00:10 +0000 UTC View Post
A preview of the weekly bonus art. Bulking Up members get 10 SFW images every week Bringing the world and characters to life See the full se
A preview of the weekly bonus art.
B...
2025-07-15 14:00:05 +0000 UTC View Post
This is your free preview. Muscle Spark unlocks the complete chapter Support and enjoy weekly transformation updates Read the full story now
This is your free preview.
Muscle Sp...
2025-07-14 06:00:10 +0000 UTC View PostLana’s no longer just teasing or testing the waters. She knows what’s fueling her transformation now, and she’s leaning into it with everything she’s got. After the gym, after the locker ro...
2025-07-14 06:00:00 +0000 UTC View PostThe full set of images for Chapter 5 is now live. The gallery includes the full PE field sequence. From her smirk when she sees you to that moment where she casually curls the weight and flexes lik...
2025-07-13 06:00:04 +0000 UTC View Post
Up until now, Lana’s mostly changed in private or in front of just one person. But in Chapter 5, she steps onto the field in front of everyo
Up until now, Lana’s mostly changed in private...
2025-07-13 06:00:04 +0000 UTC View PostThe NSFW version of the Chapter 5 images is now live. Alternate takes of the ones you’ve already seen, with Lana stripped down and fully revealed. No uniform. No sweat-streaked gym clothes. Just ...
2025-07-11 13:00:00 +0000 UTC View Post
This week’s video bonus is ready: an AI-generated video for “The Show.”
See Lana in motion on the PE field. Her tank top clinging, her muscles flexing as she curls the ...
2025-07-10 06:00:00 +0000 UTC View Post
Lana doesn’t just find you in the hallway. She surrounds you.
Her blouse is clinging, her skirt riding dangerously high, and her eyes say she knows exactly what she’s doing. Every flex, ever...
Just uploaded the SFW image set for Chapter 5. This one covers the PE scene, with Lana showing off in full daylight, fully aware of the attention she's pulling. She's in her element here. Gym unifo...
2025-07-09 14:00:00 +0000 UTC View Post
Here’s one censored preview from this week’s NSFW pack. Heavy Gains unlocks all 10 bonus images Uncensored, bold, and transformation-focused
Here’s one censored preview from this week...
2025-07-08 18:00:00 +0000 UTC View Post
A preview of the weekly bonus art. Bulking Up members get 10 SFW images every week Bringing the world and characters to life See the full se
A preview of the weekly bonus art.
B...
2025-07-08 14:00:00 +0000 UTC View PostUp until now, Lana’s mostly changed in private or in front of just one person. But in Chapter 5, she steps onto the field in front of everyone. No hesitation. No apology. Just full confidence. 2025-07-07 06:00:00 +0000 UTC View Post
The story begins here. Unlock the full chapter in Muscle Spark Follow every flex, every scene, every transformation Support and read now
The story begins here.
Unlock the full c...
2025-07-07 06:00:00 +0000 UTC View Post
After everything that happened in the gym and locker room, Lana isn’t just changing. She’s choosing to be seen. She shows up in the hallway
After everything that happened in the gym and l...
2025-07-06 06:00:00 +0000 UTC View PostThe full image set for Chapter 4 is now available. 72 images total, covering everything from Lana’s approach in the hallway.
As promised, I’ve just released the NSFW bonus images for Chapter 4. This set focuses on the unspoken part of the hallway scene, the moment Lana hints at what she looks like under the uniform… ...
2025-07-04 18:00:00 +0000 UTC View Post
This week’s Video drop is live: an AI-generated video for “Close Contact.”
Watch Lana come to life as she corners you in the hallway. Her tight blouse straining, her sk...
2025-07-03 06:00:00 +0000 UTC View PostI just uploaded a new SFW bonus image set for Chapter 4, focused entirely on Lana’s hallway scene.
After everything that happened in the gym and locker room, Lana isn’t just changing. She’s choosing to be seen. She shows up in the hallway like she’s testing how much she can get away with...
2025-06-30 06:00:00 +0000 UTC View PostThe full visual companion to Chapter 3: Reflection is now live.
This complete collection captures every moment of Lana’s most intimate transformation yet — from the first...
2025-06-28 22:00:00 +0000 UTC View PostIn Chapter 3, Lana finds herself alone, her body flushed and humming after the gym and for the first time, she doesn’t shy away from the mir
In Chapter 3, Lana finds herself alone, her body...
2025-06-26 22:00:00 +0000 UTC View PostWith Chapter 3 now live, I’ve put together a new set of SFW visuals that capture Lana’s most personal moment yet.
This chapter was all about stillness, intimacy, and self-discovery. Lana,...
2025-06-24 22:00:00 +0000 UTC View PostChapter 3 is here, and this is where Lana stops questioning the changes… and starts owning them.
After the quiet power of the gym, she finds herself alone in the locker room—skin flushed,...
2025-06-22 22:00:00 +0000 UTC View PostChapter 1 might end in the college lab, but let’s be honest, that moment? That look Lana gave you after the serum kicked in? You knew it wasn’t over.
Hey everyone!
Chapter 2 turned up the heat — and if you were watching Lana closely in that empty gym… you know she’s not just stronger. She’s starting to feel herself. And she’s no...
Hey everyone!
Chapter 1 of Muscle Class is live. I’ve got something extra for those of you who want a deeper look at Lana’s first brush with power.
<...