Osomatsu-kun is a comedy manga series that began in 1962 and ran 34 volumes until 1969 in a variety of magazines.
It was adapted into several anime TV series. The first ran 60 episodes from 1966-7. The second 88 episodes from 1988-9, which also received the film "Suika no Hoshi Kara Konnichiwa Plaisance!" during its run. The sequel installment's, the anime Osomatsu-san, first season began 2015 and ended in early 2016. Season 2 aired from October 2nd, 2017.
Totoko, infected with an Iyami bug, devour's the Matsuno's feast and ends up stuffed.
Idol Totoko stuffs herself with bento boxes.
Season 2, Episode 1
We flash forward to a possible future where the Matsuno brothers are immensely popular, and have become morbidly obese (minus Ichimatsu, who is as skinny as a zombie) from being so wealthy.
Video Games (Osomatsu-san)
In the Christmas-themed set, Ichimatsu swells up to massive proportions from eating way too much cake, and ends up vomiting.