Thank you for sharing that interesting report title: (なめらか日本語会話 オーディオ).
For those who might not be familiar, Nameraka Nihongo Kaiwa (Smooth Japanese Conversation) is a well-known textbook/resource series for intermediate to advanced Japanese learners, focusing on natural, fluent spoken Japanese — including discourse markers, ellipsis, fillers, and rhythm — which typical grammar books often overlook. nameraka nihongo kaiwa audio