KutsuDaru is an anime series directed by Taka Katou, that aired from 2014 till 2015. It is based on Gotou Masafumi's illustrated monster guide Kutsushita ga Darudaru ni Nacchau Wake ~Imadoki Youkai Zukan~, that was published in 2011. It focuses on the little girl Nekota Kaoru, that lives in a Tokyo suburb. Despite living in a normal household, since young age, she has the ability to see Imadoki youkai (Modern Monster), who cause mischief everywhere, but tries to keep it a secret from her family.
Nekota encounters a yokai, that causes bloating from eating, which is exactly what happens to her. Later, she eats a lot of cake at a restaurant, causing her to have an even more bloated and stuffed belly.