A serious and cheerful boy.
The character was drawn in the image of the dome of the National Astronomical Observatory of Japan's 188cm reflecting telescope, located next to the Okayama Astronomy Museum.
The stars on his body are stars of constellations, and the orange lines change color depending on his emotions and the day.
He calls himself Boku in the first person, Kimi in the second person, and Minna in the third person.