I was spelunking through old AT40 lists and couldn’t believe that it was a hit in the states, was in the top 40 5 weeks and peaked at 25. Fits right in among the carpenters, grand funk, pure prairie league and Eddie Kendricks
I feel like it’s rare for something so out of its time to hit that high.
(Otonoke is the theme music to the anime Dandadan (currently being released on Netflix), but it’s full of Ultraman, and some other references. Both the credits, and the music.