Hoshi Tabi Shounen Star Tripper

Synopsis

A planet of slumber where most of the inhabitants have fallen asleep due to the poison of the "Tobias Tree." This is the story of a star traveler, of the "Planetarium Ghost Travel Company" (a.k.a. PGT), registered number 303, who travels to planets of slumber to remember and preserve the remaining culture. (Source: Pie International, translated)