Lain Paterson is a Japanese female VTuber affiliated with Nijisanji. She debuted alongside Axia Krone, Lauren Iroas, Leos Vincent, and Oliver Evans as part of the group "Eden-gumi." Lain is known for her girlish voice, polite yet somewhat clumsy personality, and her love for puns. She has gained a significant following on YouTube, reaching milestones like 100,000, 200,000, and 250,000 subscribers. Lain released her first cover song and an original song titled "Burning charming." She also participated in collaborations and events, such as a tournament and a collaboration with a dessert buffet chain. Lain's fans, known as "Iraisha," admire her as a competent bodyguard and appreciate her adoration for sharks, which stems from a past life-saving encounter.