Rian is a wonderful woman who participates in Minecraft multiplayer projects hosted by the Yukkuri commentator Nanamon. In Minecraft, she uses an adorable skin with pink hair. She has appeared in various series, such as surviving in the world of Resident Evil and building a fortress city in a collapsed world. Commonly known as Rian-san, she is beloved as the head of the Cleaners. She claims to be a hardcore parkour enthusiast. In videos, she has shown a strong maternal instinct by befriending mini-creepers and has successfully defeated four mutant mobs at once. She loves creepers and calls them "Stephanie." She is often referred to as "Drunken Rian." While she is a cute and lovely woman, she is actually famous as a professional cleaner (assassin). Along with fellow participants Raichi and Ojiji, she forms a team called the "Cleaner Trio," and it is said that no enemy can stand against these three. However, she is often teased; for instance, Ojiji once built a grave for her when she was absent from a project she was supposed to be in. Furthermore, in the "Surviving in the Resident Evil World" series, she fought a direct battle against TNT and won. She is essentially a biological weapon.