Ep. 11: Keishi and Saku unite to defy restrictions and prove their existence in a crumbling world.
Aired on December 15, 2019

Tensho Gakuen operates under direct government control, enforcing a ban on student singing. The restricted city also prohibits the presence of white people and cats. Keishi believes winning the contest is essential to save the school. As the world deteriorates due to the decline of passionate users, Saku and Keishi collaborate. They aim to communicate with the outside world, demonstrating that they are still alive despite the oppressive environment and societal collapse surrounding them.
Episodes
- Ep. 7 · Archaeology students investigate Slive Central museum while teacher Usuki probes forbidden area
- Ep. 8 · Saku proposes a lyrical and musical reversal challenge to resolve the creative conflict between Sosuke and Uta.
- Ep. 9 · Singing club members investigate cat abuse near Tensho Gakuen and confront a culprit.
- Ep. 10 · Saku's musical career faces disruption as authorities announce the closure of School District 7.
- Ep. 11 · Keishi and Saku unite to defy restrictions and prove their existence in a crumbling world.
- Ep. 12 · Students Sing Amidst Riots at Tensho Gakuen as Keishi Announces Competition