間 — 間合い
Two Japanese concepts that, within the context of erotic shibari, offer a precise theoretical model for understanding interpersonal space and the mechanisms guiding how erotic connection emerges and develops.
Traditional Meaning
Maa refers to the space that exists between two things — or, in interpersonal terms, between two people.
The kanji 間 combines the radicals for “gate” and “moon,” evoking the image of moonlight seen through the crack of a closed door.
This image captures the essence of maa: no matter how tightly shut the doors are, a narrow opening always lets in light.
Likewise, no matter how total the separation between two people, there remains an empty space that quietly holds everything within it.
“Maai is not just a concept of distance — it must include the movement of hearts through space. If I am afraid, the space feels too small; if I am overconfident, it appears too large.”
— Tamura Nobuyoshi Sensei
Maai (間合い) describes the interaction between two maa — that is, between two personal spaces.
The suffix ai (合い) means “harmony,” and this is precisely the essence of the term: the harmonization of individual spaces, preserving the integrity of each while simultaneously generating a new shared space that holds them both.
Originally derived from martial arts—where it refers to tactical distance and timing between opponents—maai assumes a qualitatively different meaning in shibari: the deliberate encounter between two individuals who co-create a shared experience by confronting their own desires.
Neuroscience and Sexology
From a neuroscience perspective, maa finds its functional equivalent in the concept of peripersonal space — the area immediately surrounding the body that the central nervous system continuously monitors, whose intrusion triggers measurable physiological responses.
This zone is not static: its boundaries shift with context, emotion, and relationship — factors such as trust, emotional bonding, or autonomic activation.
The complete article — featuring in-depth neurological and sexological analysis — is available exclusively to registered students and subscribers.
Este contenido está reservado exclusivamente para suscriptores.
En nuestra página de suscripciones encontrarás varias opciones: la suscripción Kenkyo te da acceso completo durante 1 año a todos los artículos y recursos premium (no incluye los cursos), mientras que las otras suscripciones están pensadas para quienes también quieran acceder a los cursos y formaciones.
Ver todas las opciones de suscripción
This content is reserved exclusively for our subscribers.
We have different subscription plans to suit your needs: Kenkyo gives you 1 year of unlimited access to all premium articles and resources (courses not included), while our other plans are perfect if you also want to join the courses and training programs.