Yuki is a 16 year old high school student. She is very self-conscious about her large front teeth, so she wears a mask most of the time.
She's a famous JK streamer and one of the most popular on social media.
Her nickname "Smile" comes from her name Yuki, as it can be translated as "Happiness"(幸).
Content compiled by AnimeList.moe from publicly available sources.
