What is this~?

'What is this~?' meme originated from RIIZE's member Shotaro during his interaction with fans. On Weverse, a fan left a comment repeatedly imitating a dog's barking sound, to which Shotaro reacted with a cute and innocent response, "What is this~?" His reaction quickly went viral among fans, combining with his adorable image to establish itself as a meme.

Later, this phrase began to be used as a humorous expression for unexpected or awkward moments. For example, people attach this phrase to confusing or absurd situations to add humor. On platforms like Twitter and TikTok, video content and short posts using this phrase have emerged, spreading widely among not only fans but also the general public.

Fans especially use screenshots of Shotaro's comment or create new content by adding their own experiences to the meme. Global fans also translate this phrase into various languages to share it, further emphasizing Shotaro's pure and cheerful image as a symbol.