Charlotte Shimamura is a central character in the anime series 'Kizuna AI: Aituber.' As a close friend and confidante of the virtual YouTuber Kizuna AI, Charlotte is known for her upbeat personality and unwavering support for her friends. She often provides guidance and encouragement, helping Kizuna AI navigate the challenges of being an online influencer. With a knack for technology, Charlotte frequently assists in solving technical issues that arise, making her an indispensable part of the team. Her role is pivotal in maintaining the harmony and success of Kizuna AI's digital endeavors.