Sandy does not leave the Oasis, and can be found there when the store is opened.
关系
Sandy allows Mr. Qi to operate his casino behind her shop. It's clear they're not close, but she accepts his money and "looks the other way" with whatever he's doing back there. She also mentions she's friends with Emily, as during the first meeting she mentions that Emily wrote to her about them.
When the player completes all chat options, they will sometimes be given Milk. This is limited to once per day.