ONTSU CO LTD revenue for the last year amounted to 4.08 B JPY, the most of which — 2.03 B JPY — came from its highest performing source at the moment, Karaoke-related, the year earlier bringing 1.77 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought ONTSU CO LTD 4.08 B JPY, and the year before that — 8.12 B JPY.