At the Annual Meeting of the Physical Society of Japan, held at the University of Tokyo, Mr. Nagase, Mr. Otsuki, Ms. Matsuo, Mr. Uchino, Mr. Matsumoto, and Mr. Fujii delivered oral presentations, while Mr. Ehara and Mr. Shimizu presented their work in the poster session. The high‑level discussions throughout the conference were truly inspiring and provided valuable stimulation for our ongoing research.