XD (엑스디), formerly known as XEED (씨드), is a five-member boy group formed by Nature Space. Originally as four, they debuted on December 1, 2022 with the mini album Dream Land and disbanded on April 8, 2024, but reformed on April 20, 2025. Their group name is an abbreviation in which X stands for infinity and D stands for dream. It holds the meaning of "endless dream, hope that comes true".