This is a Japanese given name; it is derived from the family name Makaino.
She is a Japanese virtual YouTuber known as Makaino Ririmu (魔界ノりりむ). Shiina Yuika, Kuzuha, and Setsuna joined Nijisanji Gamers as the third batch of members, but they left to pursue other things.
Makaino Ririmu Youtube Channel
Latest: January 2025