Big kozukaho has so much potential. Kaho being clueless and eating too many crepes and snacks, Kozue or Kaho's admiration for the other making them want to feed them, Kozue weight training so she can lift up a fat Kaho, Kozue being bad with technology makes her turn on a feeding machine. Kozue's motherly nature makes being plump suit her, and it'd be neat if she was worried about her weight, wondering how she's getting fat despite her training