The first born daughter of the Oyabaka family, she gained fame on YouTube on the Sen, Momo, Ai & Shii's Channel. She is popular there as well as on the secondary channels, Sen, Momo, Ai & Shii's Mini and SenMomo Gaming.
She made her YouTube debut in the May 2008 video appropriately titled "Newborn Baby."
One of Sen, Momo, Ai & Shii's Channel's most popular videos is "Shaved Ice" which earned over 100 million views after it was posted in June 2015.
Her siblings, Sennosuke, Aiko, and Shiro, also appear on the YouTube channel with her.
She is a Japanese YouTube star much like Akira of Kan & Aki.