Girls will definitely be nervous when they visit someone for the first time. Giving them some small gifts that they like can easily bring you closer. As for the choice of gifts, I can recommend you a few that I personally think are pretty good.
First, since the younger brother brought this girl home, it means that their feelings are already very deep. Why not choose a couple's jewelry for her and her younger brother? I recommend you a Casio couple's fashion watch. The pink and black matching design is a very popular fashion style recently.
Second, girls love beauty. Giving her beautiful jewelry will definitely make her like it. This crystal bracelet called Heart of the Ocean is made of sterling silver bracelets. It is pure and beautiful and is a style that girls like.
Third, perfume is also one of the favorite gifts for girls. The recommended perfume has a fresh and sweet fragrance, which is especially suitable for young girls to spray. After receiving such a small gift, the girl must think that you are a very thoughtful sister.