User: From the passage provided, extract the two main changes from the 2022 and 2023 J1 Japanese football league.
Assistant: After the 2022 J1 season Shimizu S-Pulse and Jubilo Iwata were relegated to the J2 league, finishing 17th and 18th respectively.  They will be replaced in the 2023 J1 season with Albirex Niigata and Yokohoma FC after finishing their J2 2022 campaign 1st and 2nd.