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Balance sheets (Parenthetical) - $ / shares
Dec. 31, 2021
Jun. 30, 2021
Jun. 30, 2020
Balance sheets      
Common Stock, Par value $ 0.001 $ 0.0001  
Common Stock, Shares authorized 75,000,000 75,000,000  
Common Stock, Shares issued 6,450,000 5,500,000 5,000,000
Common Stock, Shares outstanding 6,450,000 5,500,000 5,000,000