Joining Betty Bamford's Big Book Club Pt.3 (Patreon)

Final part of a commission for 12wo over on DA, based on PTCardinal's story Betty Bamford's Big Book Club, with our protagonist fully transformed into the fat nerd BBW she was meant to be.

Sequel to https://www.patreon.com/posts/joining-betty-pt-69684703, posted the other parts here again for ease.