In February 2026, milet held a concert at the Nippon Budokan, her first performance there in three years. milet named this performance "Ray of Water" with the hope of "bringing a ray of hope to those who watch the live show." Various installations were used to transform the iconic Budokan stage into a fantastic space where light and water intersect and interact. The performance on February 14, 2026 was broadcast exclusively on TBS-1 with all songs uncut. Original behind-the-scenes footage from the program was also included.