Kaburaki Roco is a vibrant Japanese VTuber associated with Nijisanji. She debuted as part of the unit "Idios" and has a charming and talkative personality. Roco is known for her creative streams and often showcases her inexperience in gaming, providing fresh reactions to popular games. She is an 18-year-old freshman in college who is on a quest to reopen her favorite local amusement park. Despite the gaps in her official debut, Roco considers her fellow ex-VTA groups as friends and maintains a strong bond with them. She has quickly gained a loyal fanbase called "Amusemates." With her lively and friendly demeanor, Roco has captured the hearts of viewers and continues to entertain and engage with her audience.