루나 스도쿠 : 별나라 아이들의 이야기

The older sister 'Sui' and the younger brother 'Toku' were fascinated by the planet of the blue star while looking at the night sky.
Board a spaceship and go on a journey.

However, due to the unknown space debris, the impact inside the spacecraft
The main characters who lost their minds wake up
'Sui' feels that 'Doku' is gone and goes on a journey looking for 'Doku'.