Koito Fukumaru is a fictional character from the multimedia franchise THE iDOLM@STER. She is a young, aspiring idol working under the 283 Production agency. Known for her timid and reserved nature, Koito often struggles with self-confidence but is determined to improve and shine on stage. Her gentle demeanor and sincere efforts to connect with others endear her to her fans and fellow idols alike. In the series, she plays a pivotal role in showcasing the importance of personal growth and teamwork in the competitive world of idols.