Futoshi Adachi

A resident of the Planet of Tomorrow, Futoshi lives in a boarding house. When Tetsuro and Maetel arrive on the planet, they stay at his same boarding house. He befriends Tetsuro, showing him his collection of manga that he's worked on. He says that he hasn't sold a single copy! They also bond over their love of ramen.

(Source: A journey to the stars! Wiki)