Shizuku from I Live with the JK with the biggest boobs in school.
Yes, she has giant breast.
Training with 184 images, using the Civitai online trainer, between 70-85 gives better results.
ps: if you like the work, consider donating some buzz, I can't get any generator to work with my amd graphics card (rx 6750xt, 12gb vram, 16gb ram)