[Andrew no Monooki] Seitenshi Fina ~Kuukiyome ni Kaerareru Heroine~

A magical curse strikes a celestial heroine, turning her divine form into something far more soft and pliable. As a mysterious magic circle casts a spell designed to transform the target into an inflatable doll, the heroine struggles against a transformation that triggers every time she reaches a peak of sensation. The tension rises as her body begins to expand uncontrollably, leaving her to wonder if she can endure the relentless magical expansion that threatens to reshape her entire being.