Based on the song "Koibito ha Santa Claus," this song is in response to fan signs at Kyushu club Tosu that say "Koibito ga Sagan Tosu." Normally only sung at Sagan Tosu games. Tokyo can be replaced with player names, including Kazuma, Hideto and Souta...
Lyrics
Tokyo is my lover, It's true, La la la la la la la laaa