The Terrarium With Key

In a world where humanity has declined, Chico travels with her brother Pino.

17 chapters

Chapter 16 — The Flask Children
Chapter 15 — A Choice; The World
Chapter 14 — In Front of a Trembling Hand
Chapter 13 — The Hospitable Station Attendant
Chapter 12 — Garbage mountain colony 3
Chapter 11 — Garbage mountain colony 2
Chapter 10 — Garbage mountain colony 1
Chapter 9 — What it means to be "Alive"
Chapter 8 — Disturbing Omens
Chapter 7 — Rainforest 3
Chapter 6 — Rainforest 2
Chapter 5 — Rainforest 1
Chapter 4 — Human-like
Chapter 3 — Path to Deliver Thoughts
Chapter 2 — On That Day, What People Wished For
Chapter 1 — To You, Who Stayed by Their Side
Chapter 0 — report0: prologue ~on that day~

The Terrarium With Key

The Terrarium With Key is a completed manga by Hirasawa Yuuna, first published in 2019. It blends sci-fi, adventure and slice of life. You can read all 17 available chapters of The Terrarium With Key online for free on MangaPulse; the newest is Chapter 16, added 2026-07-25. The series is finished, so you can read it from start to end in one go.

Hirasawa Yuuna · 2019 · Completed

Sci-Fi · Adventure · Slice of Life