Accent is a market it is climbing in; solid ink is a market it is charting in without a rise we can measure. A song that crawls from one market to its neighbours draws a different picture from one that lands in fifty on the same morning. The picture is the answer.
Market by market
Two cities are on Kagerou. The country isn't.
14 records are charting in Japan's cities and nowhere on its national chart. Ranked by how many cities are on them, then by how high they reach.