[do it again]

if she intended it only for her fanclub, then i think the song would only be on a special edition of the single ONLY sold to her fanclub. i think ~for TA~ means for Team Ayu, her fans, not Team Ayu, her fanclub. to me, RED LINE reminds me of the red string of fate that is mentioned often in Japan, and the song to me symbolizes the red string of fate connecting ayu to her fans. she would NOT deliberately exclude most of her fans who are not members just because they give her money to be in her fanclub.

the song is not a special bonus like a fleece blanket only available to those in the fanclub, it's to all her fans who are her Team Ayu!

that's what makes sense to me, at least.