Introverts are often not sociable, but they also value friendship more. It seems that your friend has a very good relationship with you. Since you are invited, you must give a gift. Here are some suggestions for your reference:
1. First of all, the purpose of giving a gift is to make the recipient like it. It depends on your understanding of her. Think about her hobbies and what types of accessories she likes. You can choose what she likes.
2. Customize a creative gift on the website, such as a life-like pottery doll customized with a photo, a makeup mirror with blessings and patterns printed on the mirror, and a pillow that emits colorful light.
3. Small accessories that girls generally like can be given to her as a gift. For example, unique necklaces, bracelets, hairpins, brooches, or scarves, bags, cosmetics, etc. are more practical and popular gifts for girls.
4. Nowadays, it is also very popular among young people to give digital gifts. You can give a cute small speaker, or an MP3/4/5 or something like that. You can also give an IPAD for a better gift. It depends on your financial strength.