Just a little question. Does she have Bulimia or Binge-eating disorder?
Because when it's Bulimia, a person will eat a lot, and force themselves to puke and take out all that food afterwards because they don't want to gain any weight, but when it comes to Binge-eating, they just have these episodes wherein they eat an abnormally big amount of food.
Does MC-chan not want to gain weight, or does she just eat a lot? If it's the latter, then there's a possibility that it might be Binge-eating instead of Bulimia. I'm not sure about this though, since I never really am sure about anything. If it's the former, please explain. Maybe my knowledge about eating disorders is just limited and that I'm accusing something falsely.(Wait, why am I worrying about a minor detail...? -__-)