Read manga: Eco

manga
Eco
Artists: Hato Rami
Status: completed
Latest chapter: Vol.00 Chapter 001 :
Updated at: Aug 25, 2019
Summary:

A boy receives a mini ecosystem for his 12th birthday, and is moved to another planet, just like the mini ecosystem for his 13th, where he is to live alone. The year after, after living alone for a year, he receives a strange friend.