Other points of interest for Twitter.
Read their rules carefully because if not followed it will lead to suspension,
https://support.twitter.com/articles/18311#
Also avoid placing nudity/porn in your header or avatar, these both can also get you suspended. You can keep sexy, but not nudity.
Do not follow too many accounts in one day, this will get you suspended.
Do not post too many pics in a short amount of time, this will end you in "Twitter Jail" which is where you cannot post anything for an amount of time, but can still DM. This is probably the first thing that happens to new adult twitter account, happened to me plenty of times at first.
Hope these tips will help you gain followers.