夕悠夜 赤.二代目・赤. (Associated Names)

Yuuyuu Yoruaka (夕悠夜 赤) is a male Virtual YouTuber who makes content in Japanese. He is affiliated with PIECE-A-PART. He is also a member of "Atatakaku Naru" (あたたかくなる), an unofficial group of VTubers who do interesting (such as record song covers) things together.