This manga adapts Mizutani Eri's route from the game The iDOLM@STER Dearly Stars.
Eri Mizutani,mostly known as ELLIE on Internet, is a hikikomori that spends most of her time chatting on the Internet with people that she hardly knows. One day she receives a message from a producer named Ozaki who encourages her to debut as a real idol. Eventually she is able to build up the courage to meet Ozaki.Then she makes her debut at the 876 productions. She meets Ai and Ryo there and decides to give up her life as a net idol and hikkikimori. Will Eri be succesful in the idols world?