SHITCOM

A beautiful couple is enjoying a lovely dinner together when suddenly the woman's stomach begins to make loud, rumbling sounds. As she attempts to calm the beast in her belly, her partner proposes to her, leaving her both overjoyed and distressed at her situation. The astonishing events of that night now begin to unfold, as a mysterious mass starts to make its way out of her mouth... (MAL Rewrite) — Description from AniList community (anilist.co).