Ginga no Shinanai Kodomotachi e

The story of two immortal children, beginning at the time in which everything has ended. The innocent older sister π that loves to rap, and the introverted younger brother Makki that you can always find reading alone. The tankoubon chapters are compilated arcs of chapters in the original web release: Volume One: Pai - Chapters 1-5 Mira 1 - Chapters 6-7 Volume Two: Mira 2 - Chapters 8-13 Makki - Chapters 14 Part 1 & Chapter 14 Part 2