Mei is a grade 8 student and member of school band. She lives alone with her brother Natsu, who is a genius musician. However, Mei and Natsu are not related by blood. As beautiful Australian girl Melv...more

Mei is a grade 8 student and member of school band. She lives alone with her brother Natsu, who is a genius musician. However, Mei and Natsu are not related by blood. As beautiful Australian girl Melvina starts to live together with them, Mei cannot help but feel anxious about her new life.