This graph shows net interest-bearing debt, which is total interest-bearing debt minus cash and cash equivalents, and net debt to equity ratio for each fiscal year.
Net interest-bearing debt fell by a whopping 16.8 billion yen to total 93.1 billion yen at the end of the fiscal year.
Free cash flow for the fiscal year ended March 31, 2015 was a positive 24.5 billion yen due to increased net income.