Room for Rent by Noelle W. Ihli
Room for Rent includes repeated, casual references to eating expired or questionable food (past sell-by dates, leftovers of uncertain freshness). These moments are described in a matter-of-fact way and are not framed as dangerous or dramatic.
There are a few mentions of vomit, with minor details.
Overall, this book works well as a low-level, beginner exposure, especially for readers who are working on tolerating discomfort around food safety, expiration dates, or “what if this is bad?” thoughts without escalation into acute GI symptoms.