haneda airport transfer

My girlfriend said she would come back tomorrow at haneda airport transfer and asked me if I had anything to buy to help me bring it back. Because it takes a long time to stay at haneda airport transfer, I want to look around to see if there is anything I need to buy. Since my girlfriend went to study abroad, I haven’t seen her for a long time. We are usually busy at work and seldom go home on holidays. Every time she comes home, she just stays for a few days. So we always miss seeing each other. But we have been in the video link that we don’t have the chance to sit face to face and have a good chat. This time, my girlfriend can stay a few more days when she comes back. So I arranged my time in advance.