Tantra is a word that means erotic massage. It is something extremely good and useful that anyone can learn.
Nofap has nothing to do with true tantra. I have made a list of books that can help you in your quest.
‘Yoni Massage: Awakening Female Sexual Energy’ (Michaela Riedl)
‘Mastering The Art Of Vaginal Massage: A Man's Guide To Giving Your Lover Ultimate Pleasure’ (Dr. Leonard McGill)
‘Erotic Chinese Massage: The Sexy Secrets of Taoist Teachers’ (Wang-Puh Wei, Chris Evans)
The practical guide to tantric massage: for couples ( Deo Prem)
Ultimate Erotic Massage: Sensual Techniques for Enhancing Sexual Pleasure (Kavida Rei)