The S-Works Tarmac is Specialized's pure racing road bike that has won many big races. The design concept of using very costly manufacturing methods and high frame rigidity while improving ride comfort through frame geometry has resulted in many followers in design. It is also a great all-rounder, winning many types of big races.

The story is set in Tokyo, where an old school right in between the neighborhoods of Akihabara, Kanda and Jinbocho is in danger of consolidation and closure. Nine girls, centering Honoka Kosaka, have stepped up to defy the imminent danger facing their school. “If we want to protect our beloved school, we need to do what we can? we need to become idols!” Hoping against hope there’s something they can do about this, the girls strive to become famous, spread the word about their school, attract more students, and save the day. Now their “School Idol Project” begins to make their dreams come true! “Make our dreams come true!”

The No.1 idol in the universe. She is the head of the idol club at　Otonokizaka Academy, to which μ's belongs. She is a third-year student, and has founded and served as the head of the idol research club in the past. She is more passionate and devoted to idols than anyone else. Before joining μ's, she studied as a school idol by herself. Therefore, she has been able to set the direction of μ's as a school idol group by providing guidelines for the other members of μ's who are not familiar with the school idol scene. She is also in charge of comedy in "μ's" and plays the role of straight man to other members. She is raising in a single parent family. She have two younger sisters and a younger brother, and takes care of them on a daily basis. She is good at cooking. Her signature phrase is "Niko Nico Ni".