Kyōsei Tsukui (津久井 教生, Tsukui Kyōsei) is a Japanese retired voice actor who worked for 81 Produce. On October 1, 2019, Tsukui revealed that he has been diagnosed with ALS and has been using a cane and wheelchair to help with his mobility. On February 17, 2023, Tsukui revealed that he has lost his voice and has retired from voice acting as a result of undergoing a tracheotomy. He is also no longer able to use his arms or legs and only communicates through digital software. During 2025, he wrote a book on his life, typed using eye-tracking technology. In February 2026, it was announced to be published later that year, on April 27, 2026.
Source: “Kyousei Tsukui”, English Wikipedia (CC BY-SA 4.0), excerpt