Momo Kyun Sword
Momo Kyun Sword is an anime series based on the light novel written by Kibidango Project that begun in July 2014. A reimagining of the tale of Momotarō with females in place, the story is about a girl named Momoko, born inside a giant peach, who gathers her friends to thwart the devil king's invasion of her land.
Demon Combination!? Onihime is Here! (S01E02)
Onihime challenges Momoko to a peach dumpling eating contest. Both fatten up as a result; the effect is permanent until the next part.