CivArchive
    M4CROM4STI4 - Huge Natural Breasts - LTX2.3 - K3NK - v1.0
    NSFW

    • ᴛʜɪꜱ ʟᴏʀᴀ ɪꜱ ᴘʀᴏᴠɪᴅᴇᴅ ᴀꜱ ɪꜱ ᴀɴᴅ ɪɴᴛᴇɴᴅᴇᴅ ꜰᴏʀ ʟᴀᴡꜰᴜʟ ᴀɴᴅ ʀᴇꜱᴘᴏɴꜱɪʙʟᴇ ᴜꜱᴇ.

    • ɪᴛ ᴀᴄᴛꜱ ᴀꜱ ᴀ ɢᴇɴᴇʀᴀʟ-ᴘᴜʀᴘᴏꜱᴇ ʀᴇꜰɪɴᴇᴍᴇɴᴛ ʟᴀʏᴇʀ, ɪɴꜰʟᴜᴇɴᴄɪɴɢ ʜᴏᴡ ᴛʜᴇ ʙᴀꜱᴇ ᴍᴏᴅᴇʟ ᴇxᴘʀᴇꜱꜱᴇꜱ ᴘʀᴏᴍᴘᴛꜱ ᴀɴᴅ ᴄᴏɴᴄᴇᴘᴛꜱ ʀᴀᴛʜᴇʀ ᴛʜᴀɴ ᴘᴇʀꜰᴏʀᴍɪɴɢ ᴅɪʀᴇᴄᴛ ᴛʀᴀɴꜱꜰᴏʀᴍᴀᴛɪᴏɴꜱ. ᴛʜᴇ ʀᴇꜱᴜʟᴛɪɴɢ ᴏᴜᴛᴘᴜᴛ ɪꜱ ᴀʟᴡᴀʏꜱ ᴅʀɪᴠᴇɴ ʙʏ ᴛʜᴇ ᴘʀᴏᴍᴘᴛ ᴀɴᴅ ᴛʜᴇ ᴄᴀᴘᴀʙɪʟɪᴛɪᴇꜱ ᴀʟʀᴇᴀᴅʏ ᴘʀᴇꜱᴇɴᴛ ɪɴ ᴛʜᴇ ᴜɴᴅᴇʀʟʏɪɴɢ ʙᴀꜱᴇ ᴍᴏᴅᴇʟ.

    • ᴛʜᴇ ʟᴏʀᴀ ᴅᴏᴇꜱ ɴᴏᴛ ʀᴇʟʏ ᴏɴ ᴘᴀɪʀᴇᴅ ɪɴᴘᴜᴛꜱ, ʙᴇꜰᴏʀᴇ/ᴀꜰᴛᴇʀ ᴇxᴀᴍᴘʟᴇꜱ, ᴏʀ ᴛʀᴀɴꜱꜰᴏʀᴍᴀᴛɪᴏɴ-ꜱᴘᴇᴄɪꜰɪᴄ ᴛʀᴀɪɴɪɴɢ. ɪᴛ ꜰᴏᴄᴜꜱᴇꜱ ᴏɴ ɪᴍᴘʀᴏᴠɪɴɢ ᴄᴏʜᴇʀᴇɴᴄᴇ, ᴅᴇᴛᴀɪʟ, ᴀɴᴅ ꜱᴛᴀʙɪʟɪᴛʏ ᴀᴄʀᴏꜱꜱ ɢᴇɴᴇʀᴀᴛɪᴏɴꜱ, ɪɴᴄʟᴜᴅɪɴɢ ᴍᴀᴛᴜʀᴇ-ᴛʜᴇᴍᴇᴅ ᴏᴜᴛᴘᴜᴛꜱ ᴀʟʀᴇᴀᴅʏ ꜱᴜᴘᴘᴏʀᴛᴇᴅ ʙʏ ᴛʜᴇ ʙᴀꜱᴇ ᴍᴏᴅᴇʟ.

    • ɴᴏ ꜱᴘᴇᴄɪᴀʟɪᴢᴇᴅ ᴅᴀᴛᴀꜱᴇᴛꜱ ᴛᴀʀɢᴇᴛɪɴɢ ɪᴅᴇɴᴛɪᴛʏ ᴇxᴘᴏꜱᴜʀᴇ ᴏʀ ᴄᴏɴᴛᴇɴᴛ ʀᴇᴄᴏɴꜱᴛʀᴜᴄᴛɪᴏɴ ᴡᴇʀᴇ ᴜꜱᴇᴅ ᴅᴜʀɪɴɢ ᴛʀᴀɪɴɪɴɢ. ᴀʟʟ ꜰᴀᴄᴇꜱ ᴀɴᴅ ᴘᴏᴛᴇɴᴛɪᴀʟʟʏ ɪᴅᴇɴᴛɪꜰɪᴀʙʟᴇ ꜰᴇᴀᴛᴜʀᴇꜱ ᴡᴇʀᴇ ᴍᴀꜱᴋᴇᴅ ᴏʀ ᴀɴᴏɴʏᴍɪᴢᴇᴅ ᴛʜʀᴏᴜɢʜᴏᴜᴛ ᴛʜᴇ ᴛʀᴀɪɴɪɴɢ ᴘʀᴏᴄᴇꜱꜱ.

    • ʙʏ ᴅᴏᴡɴʟᴏᴀᴅɪɴɢ ᴏʀ ᴜꜱɪɴɢ ᴛʜɪꜱ ʟᴏʀᴀ, ʏᴏᴜ ᴀᴄᴄᴇᴘᴛ ꜰᴜʟʟ ʀᴇꜱᴘᴏɴꜱɪʙɪʟɪᴛʏ ꜰᴏʀ ɪᴛꜱ ᴜꜱᴇ ᴀɴᴅ ᴀɢʀᴇᴇ ᴛᴏ ᴄᴏᴍᴘʟʏ ᴡɪᴛʜ ᴀʟʟ ᴀᴘᴘʟɪᴄᴀʙʟᴇ ʟᴀᴡꜱ ᴀɴᴅ ᴘʟᴀᴛꜰᴏʀᴍ ʀᴜʟᴇꜱ.


    M4CROM4STI4 - Huge Natural Breasts - LTX2.3 - K3NK

    • Trained on musubi tunner with same dataset as my wan m4crom4sti4

    • Trained in musubi at up to 15500 steps, rank 52

    Example prompt:

    video of a nude woman with large breasts, jumping in a living room. She has long, dark hair and is looking back at the camera with a seductive expression. The room is furnished with a beige sofa, striped cushions, and a carpeted floor. The lighting is soft and natural, highlighting her curves and the texture of her skin. The woman's body is slender and toned, with a slight curve to her left. The video has a high resolution and a realistic style.
    
    the woman is jumping up and down, making her gigantic oversized breasts to bounce up and down wildly. Her breasts are heavy and pulls on her back every time they bounce down.
    
    The woman continues jumping and says while jumping
    This is the only way to train my back, so i can at least walk normally!
    videograph of a curvy woman with large breasts, sitting on a wooden table in front of a white curtain. She has long, wavy black hair, fair skin, and is wearing white lace thigh-high stockings. She is smiling and looking directly at the camera. The lighting is soft and natural, highlighting her curves and the texture of her skin. The background is blurred, but it appears to be an indoor setting with a carpeted floor. The video has a high resolution and a professional feel. Medium close-up shot. A plus-sized curvy woman shaking her massive natural breasts, her large pendulous breasts sway in rythm as she shakes her chest from left to right, her sagging breasts bouncing continuously as she gaze sensually at the viewer. 

    Have fun! 😜

    Description

    FAQ

    Comments (19)

    WhyNaNWhenNyanMar 26, 2026· 13 reactions
    CivitAI

    That looks like a Japanese woman with great assets I know too well... Great results as always!

    BarelyAIMar 26, 2026· 7 reactions
    CivitAI

    My favorite creator has moved on to LTX 2.3 and I've never been more excited 🙌🏼

    cupraMar 26, 2026
    CivitAI

    Well done!
    Training for LTX can be a blast or frustrating, especially on low VRAM.

    I found LTX to train rather fast, so 17000 steps seems high? Even with your large dataset. Did you use a low LR or prompt preservation?

    Can't wait to try your model though. Love your stuff!

    K3NK
    Author
    Mar 26, 2026· 1 reaction

    yeah i prolly had a low learning rate, coz is at a point where the 17k steps , 19k steps and 23k steps 17k is the one that reduces the blackness of nipples but also the less defined ones... since is so depending on the dataset amount , theme and so.. is a hit or miss with learning rate.. i tested the self fisting lora and the arm moved insanely good, genitals as spected, but the prompt was beign ignored bleeding the rest of the scene all over, no matter what you prompt, while for wan with diffusion pipe and automagic, the same dataset works really good.. i miss automagic.. XD

    cupraMar 26, 2026

    @K3NK yeah, WAN's understanding of anatomy and body physics is way better. I find it really important to properly caption and prompt for LTX. Still learning how to do it best though.
    Looking forward to the future with LTX, until another WAN comes around :D

    cupraMar 26, 2026

    @K3NK oh I noticed that the rank is kinda low? Maybe that would improve things. I couldn't really go below 16 for my tests and had to stick to around 24-32.

    RathmaMar 26, 2026· 19 reactions
    CivitAI

    Every professional breast enthusiast will recognize them. Hitomi T. breasts ;p

    Nice :)

    N0n4m3Mar 27, 2026

    Literally my first thought.

    WhyNaNWhenNyanMar 27, 2026

    The face is swapped so it's fine! Please CivitAI don't close this LoRA. :(

    K3NK
    Author
    Mar 27, 2026

    She is prominent but there's also other classics in the mix, if you are a connoisseur you will know who xD (every face were masked out tho)

    bungelMar 27, 2026· 1 reaction

    Hahahaha how fucking small is the world really 😄

    TrabukoMar 27, 2026· 4 reactions
    CivitAI

    ltx doesnt like breasts i think,they are far from natural breasts,way too hard.wan version is fine but breasts on ltx always weird,that make me sad

    snake88Mar 28, 2026

    I think the loras just need more breast motion, possible one per specific action (jiggling, bouncing, from what position etc)

    snake88Mar 28, 2026
    CivitAI

    can this be expanded to understand prompting related to the veininess of the breast? Would love to be able to prompt to add some milfy (not elderly type) veins to breasts.

    SuhnnyApr 13, 2026· 2 reactions
    CivitAI

    This is like the only shape and size accurate boobs I've seen come out of ai. Just ask your women with big boobs. This is lightyears closer to the real look then you pretty much ever see

    gradientcurvesApr 16, 2026
    CivitAI

    Hitomi's boobs! She has a great set of torpedo boobs can't wait to try!

    Outland222May 29, 2026
    CivitAI

    Understood that this lora is as is. But breasts of a certain gigantic size tend to shrink down a lot when using this lora. They don't look bad after by any means, but they are a lot smaller. I am not sure if this is a physics lora or a general shape or size lora. Either way, just some results I noticed. More breast loras as ALWAYS welcome. I am really hoping we get some physics loras that get the WAN2.2 results while keeping the sizer.

    GayLizardSpyJun 28, 2026· 2 reactions
    CivitAI

    One is bigger than the other 🧐

    pimp7777995Jun 30, 2026
    CivitAI

    has anyone been able to recreate the same breasts bounce and deformation as the wan version of this lora? If so please share the prompt, thanks.