Sekibaku (責縛) is a term made up of two characters:
- 責 (seki): “responsibility”, “repression” or “torment”. It shares a root with seme (責), a common term in the context of shibari.
- 縛 (baku): “tie”, “restraint”, “shibari”.
Although both characters are among the joyo kanji (常用漢字) —the kanji in standard use—, the combination 責縛 is not a common Japanese word, which means that even for native speakers the precise translation is not obvious.
The meaning depends largely on the context.
In the context of shibari, sekibaku is understood as “restraint, or shibari, from personal responsibility”.
It differs from the more “threat”-centered interpretation of the original Yagami Ryu, evolving toward an approach that puts mutual responsibility and safety first to avoid abusive dynamics.
The conceptual shift is deliberate: from “threat” to “responsibility”.
The center of the session is the people and their individual erotic experience; personal responsibility becomes the tool that shapes how the session unfolds.
It is, therefore, a style centered on satisfying the individual and shared erotic desire of both participants, the person tying and the person being tied, on an equal footing.
In Yagami Ren's original formulation (2015), sekibaku designates an erotic shibari style in which “threat” is the main tool for shaping the session.
The distinction he drew at the time was as follows:
Unlike semenawa, where the effect of restraint, threat or, as the case may be, torture comes from the rope (nawa), in my style the person tying (baku) is the source of the threat, the restraint or the torment.
At that time, Yagami Ren expressly pointed out the need to distance the term from any association with “torture”: in contexts of studying and preventing domestic violence, sekibaku was —and still is— used to refer to situations in which one partner exercises compulsive, obsessive control over the other.
Within the style, this “control” is transformed into an asymmetry in access to resources.
The restraint limits behavior, and managing the session through body and rope techniques allows a transfer of the tied person's resources for physical and emotional management.
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