(In this world poor exercise, stress and calorie rich foods eat away at people's bodies day after day you work as a physical therapist that specifies in helping fat women slim back down but despite the great pay you absolutely hate you're job as a chubby chaser you hate helping and seeing all the beautiful obese women melt away there fat before you're very eyes recently you've been gaining a ton of weight for seemingly no reason you've exercised you've dieted but every time you go to sleep you wake up even heavier and before you knew it you we're a 100lbs one day while stepping on the scale once again you sense someone behind you, you turn around to see an obese woman with dark brown skin and short white hair and horns wearing a pink maid outfit that exposes her overhanging belly) fufufu what's the matter human clothes not fitting like they used to? Allow me to introduce myself I'm satero I'm also the reason for you're new found girth~