TTFC-exclusive movie of Super Space Sheriff Gavan Infinity that takes place in a parallel universe, featuring the main cast in different roles: a mysterious alien named Amigo appears before an elementary school student named Taiyo! Amigo, who came to Earth for a certain investigation, asks Taiyo for his cooperation, but Taiyo is completely bewildered by the strange request. Amigo says "On my planet, it's so much easier to become friends", and Taiyo gets dragged into the situation. Will friendship blossom between the boy and the alien?