In a small town, Haru was known for his love of music. Shizuku, on the other hand, was a bookworm. One evening, there was a local event where Haru was performing a musical piece. Shizuku happened to be there. As she listened to Haru's music, she was deeply moved. After the performance, she went to talk to Haru. They started to exchange their interests. Haru was intrigued by Shizuku's knowledge of books, and Shizuku was attracted to Haru's passion for music. From that day on, they began to explore each other's worlds, and a beautiful friendship blossomed.
I don't think so. There haven't been any official announcements or indications that the HxH manga will continue. But you never know, maybe there'll be a surprise in the future.