Étoile Vio School is where aspiring idols called "I-Chu" commence their journey towards becoming reputable idols, with the beginning of another school term. However, their journey initially seems strange, as their principal, a bear, delivers a welcome speech to the recent admittances. The I-Chu boys move forward persistently towards their dreams, pondering over what exactly constitutes an idol. Through their struggles, each of them will eventually find their path towards personal identity and success.