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3. Related Party Transactions (Details) - USD ($)
9 Months Ended
Mar. 31, 2019
Jun. 30, 2018
Details    
Due to related party (Note 3) $ 11,898 $ 6,898
Debt Instrument, Collateral unsecured  
Debt Instrument, Interest Rate, Stated Percentage 0.00%  
Debt Instrument, Payment Terms due on demand