this site has some scenes on it
https://stmmoz.hungry.jp/binflation/
For example, in this comic an slime woman gets inside a giant mermaid causing her belly to expand
https://comic-walker.com/detail/KC_005581_S/episodes/KC_0055810002400011_E?episodeType=latest
in the same comic the next chapter, due too much exposure to the water, the slime woman appears bloated
https://comic-walker.com/detail/KC_005581_S/episodes/KC_0055810002500011_E?episodeType=latest
and i think in an anime called "The 100 Girlfriends Who Really, Really, Really, Really, Really Love You
" (weird ass name) they wanted to do a ritual, but they warn that if doesn't work as planned, she will swell up and explode.