Adults only (18+)

This site contains sexual health education and product information for adults.

I am under 18 (leave)

日本語

Onani Master A gentle practice book for your body

This site may contain affiliate links. If you buy through them, we may earn a commission at no extra cost to you. Content is for education and is not medical advice.

← Back to the entrance

For men: your practice book

Welcome. I'll gently watch over your practice. Let's start slowly, with how your body works.

Basics

  1. Masturbation Myths vs. Evidence: Blindness, Infertility, Hair Loss, ED and More"You'll go blind." "It will make you infertile." "It causes hair loss." Many people grow up hearing warnings like…
  2. Is Masturbation Good for You? What the Research Actually SaysMasturbation is one of the most common sexual behaviors there is, yet reliable information about its health effects is…
  3. How Often Is It Normal to Masturbate? What Surveys Show and When to Be Concerned"Am I doing it too much?" and "Is it strange that I rarely do it?" are two sides of the same question. There is no…

Practice

  1. "Death Grip Syndrome": Masturbation Habits, Delayed Ejaculation, and How to Retrain"Death grip" is an internet nickname, not a medical diagnosis. It describes a situation many men recognize: they can…
  2. How to Last Longer: Premature Ejaculation Basics, Start-Stop, Squeeze, and Pelvic Floor TrainingWorrying about finishing "too soon" is one of the most common sexual concerns men have. The good news is that…
  3. NoFap and Abstinence: What the Science Says About Testosterone, Sperm, and Self-ControlOnline communities such as NoFap encourage people to stop masturbating for days, weeks, or months. Supporters often…

Mastery

  1. First Sex Toys for Men: Types, Budgets, and What to Check Before You BuyPlenty of men have never bought a sex toy, often because the options seem confusing or the topic feels awkward. In…
  2. TENGA Explained: Product Lines, Single-Use vs Reusable, and How to ChooseTENGA is a Japanese company that designs male masturbation products with a clean, almost gadget-like look. Its catalog…
  3. What Is an Onahole? A Plain-English Guide to Japanese Masturbation Sleeves"Onahole" (オナホール, often shortened to "onaho") is the everyday Japanese word for a male masturbation sleeve: a soft tube…

For everyone

  1. Onani-do: The Japanese "Way" of Self-Pleasure as Healthy Me-TimeIn Japanese, many traditional practices end in -do (道), which means "the way" or "the path." Judo, kendo, and sado (the…
  2. How to Choose a Lubricant: Water, Silicone, Oil, and Hybrid ComparedLube makes sex, masturbation, and toy use more comfortable, and it can reduce friction-related irritation. But the lube…
  3. How to Clean, Dry, and Store Sex Toys (and When to Replace Them)Cleaning a toy takes a few minutes, and it makes a real difference to both your health and how long the toy lasts. The…
  4. How to Buy Sexual Wellness Products Discreetly and SafelyWanting privacy when you buy a vibrator, lubricant, or other intimate product is completely reasonable. Maybe you share…
  5. Sexual Wellness from Japan: Design, Discretion and What Surveys Actually ShowJapan is often discussed in sensational ways when it comes to sex. Headlines tend to swing between "the world's most…