7. Income Taxes (Details - Tax Benefit) - USD ($)	3 Months Ended		12 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Apr. 30, 2017
Income Tax Disclosure [Abstract]
Tax benefit (expenses) at U.S. Statutory rate	$ (1,700)		$ 4,342
Tax benefit, net	$ 0	$ 0	$ 0