I'm assuming you're referring to the 1st anniversary work "A Gathering Full" by Hikaru Nagisa (not Nagi).
Recent reports as of July 2025 indicated she was taking a break from activities due to unstable health conditions, leading to cancellations of several scheduled appearances. hikaru nagi39s 1st anniversary work a gathering full
Here are a few options for the post, depending on the platform and tone you are looking for. I'm assuming you're referring to the 1st anniversary
Here is a look into Hikaru Nagi’s 1st-anniversary milestone and the "gathering" of works that defined that period. hikaru nagi39s 1st anniversary work a gathering full