Related Party Transactions (Details) - USD ($)	3 Months Ended		6 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Related Party Transaction [Line Items]
Due to related parties	$ 4,600		$ 4,600
Board Member | Board Member One
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	9,000	$ 15,000	18,000	$ 33,000
Board Member | Board Member Two
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	$ 2,150	$ 3,900	$ 5,000	$ 9,500