CivArchive
    UnderBoner by CoachBate - Flux.2-Klein9B_v1.1
    NSFW
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    Makes character massage erection that is under a singlet, underwear, or towel, trigger word: underboner

    LTX-2.3

    This is an i2v LoRA for LTX-2.3 so need to have a starting image with the bulge you want him to rub or show off. Use my Qwen Image Edit 2511 LoRA to give any image an underboner, then animate it with this one. Replaced with a 10k step trained LoRA 4/23/26.

    Flux.2-Klein 9B

    Renamed v1 to v1.1 and uploaded the model with 5000 steps training of the underboner for Flux.2-Klein 9B model. It was trained against the same dataset and captions as the Qwen model.

    Qwen Image Edit 2511

    Trained with 30 target and control images, this can add bulges to images using the Qwen Image Edit 2511 model. I'm getting very high success rate especially for one person. No mask needed, just simple prompt (see showcase samples) Trigger word: underboner

    WAN 2.2
    Needs more work but it is good for foreplay, or teasing scenes you can run on long frame counts since doesn't matter if it loops. It helps fill time for longer videos while teasing the viewer until they whip it out.

    I did notice some issues where they will start rubbing on their belly or somewhere other than their junk, so it may take several iterations to get what you want.

    Description

    underboner v1.1 trained for 5000 steps for Klein 9B model with 30 target and control images

    FAQ

    LORA
    Flux.2 Klein 9B

    Details

    Downloads
    0
    Platform
    CivitAI
    Platform Status
    Available
    Created
    4/25/2026
    Updated
    4/27/2026
    Deleted
    -

    Files

    flux.2-klein-9b-underboner-coachbate-v1.1.safetensors

    flux.2-klein-9b-underboner-coachbate-v1.safetensors