The 秒 opening for season two, I like this song and the intro better that the 前 one.

This is the opening for Season Three, this is the only opening song for the entire season which only aired 13 episode.

The 秒 Opening of the season one series, the name of the song is called Go Go Heaven

The first opening for Season 2 series.

The opening for City Hunter animated series which was launched in 1987.