Click "Armament" in the game hall, select combat readiness after entering, then click the upgrade button below, and select Xiao Jiu-class suit in the pop-up options to confirm to get the suit.
Get bonus points by participating in activities, and get golden Xiao Jiu classroom skin by participating in the lucky draw.
Due to the update of the game version, the specific operation steps may be slightly different. It is recommended to check the game official website or consult the game customer service.