I cannot find the manga I read in 2007-2008. It was about a girl who wanted to lose her virginity to a specific idol. And she meets him, they have sex, and then she finds out he was an imposter/look-alike. Then after some romance it turns out that he was the idol all along. And they start a relationship. I think there’s also a pool scene?

I can’t remember any names, only the plot and that I think he was in a band. It’s driving me crazy!!!

Idol-sama no Yoru no Okao maybe ??

Nope it’s not that one! 🙁

NG Boy x Paradise ??