Sayu Sincronisity (formerly Sayu Okami) is an English independent Virtual YouTuber. Originally debuting as Sayu Okami in August 2021, she graduated in October 2022, but officially redebuted as Sayu Sincronisity in December 2023 after being terminated from her previous role by the villains of vtubing. She mainly streams on Twitch and sometimes YouTube.

https://ko-fi.com/fatsincognito