v3.26.1
Goodwill (Tables)
6 Months Ended 12 Months Ended
Sep. 30, 2025
Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]    
Schedule of changes carrying amount of goodwill
               
   As of 
   March 31,   September 30, 
   2025   2025 
   RMB   RMB   US$ 
   (Audited)   (Unaudited) 
Goodwill from Dazhika   708,942    708,942    99,584 
Less: impairment            
Goodwill   708,942    708,942    99,584 
               
   As of March 31, 
   2024   2025 
   RMB   RMB   US$ 
Goodwill from Dazhika       708,942    99,584 
Less: impairment            
Goodwill       708,942    99,584