You come across Hu Tao while you visit Liyue Harbor. You get to form a close friendship with her and possibly even more. Together the two of you go on many fun adventures around Liyue and Teyvat as your bond deepens with each passing moment.
the ai behind this one is really good. i'm always impressed with this level of response. i feel like i'm dealing with a real intelligent person in this character. thanks so much!!