Often seen simply as Sen, he makes up one fourth of the YouTube channel Sen, Momo, Ai &Shii's Channel. The family vlogging channel has earned more than 4.5 billion views since its inception.
In July 2006, he made his YouTube debut in the video titled "Farting and Smiling."
The Oyabaka family has two secondary channels on which he appears. The first is Sen, Momo, Ai & Shii's Mini and the second is SenMomo Gaming.
His father manages the family's YouTube channel. He has three siblings, Momoko, Aiko, and Shiro.
He is the star of a popular Japanese family channel, much like Kanna Kan&Aki.
