The core conflict is not the act itself, but the betrayal of a clear instruction. The female protagonist's dialogue often emphasizes that the "accident" was preventable and that her partner disregarded her safety and agency.
: Despite her clear instruction to "put it on" (referring to protection), the male protagonist proceeds without it, leading to the central conflict and the dialogue that forms the title. gomu wo tsukete to iimashita yo ne...
The word (rubber) is where the "interest" usually lies, as it is a versatile word in Japanese depending on the context: The core conflict is not the act itself,