[Machine Translation] On the first day of the second year of high school, music teacher Yukinosuke Sakakibara suddenly summoned Yoshiya Inoue, Hayato Katagiri, Keiichiro Arisaka, Chihiro Mitsunaga, and Ayumu Tokieda. On the first day of the second year of high school, music teacher Yukinosuke Sakakibara suddenly summons Yoshiya Inoue, Hayato Katagiri, Keiichiro Arisaka, Chihiro Mitsunaga, and Ayumu Tokieda, and they are forced to form an a cappella club. A month later, they are forced to perform a song in front of the entire school. They begin to practice, but...? Popular voice actors take on the challenge of singing a cappella in earnest! The first volume of the popular music contents project! Drama CD Volume 1.