This Ancient Japanese Dating Ritual Was WILD (Yobai)

Overview: What This Video Recaps About Yobai

This video recaps yobai (night crawling), a historic Japanese dating/sexual practice in which young men would sneak into women’s bedrooms at night—often with community rules, secrecy, and (in some accounts) open encouragement.

Key Highlights and Standout Moments

• The narrator frames yobai as “generally not a good idea” everywhere else, then explains that in rural Japan it was sometimes culturally normalized (even if it sounds wild to modern viewers).
• A 2004 interview with an elderly woman (and later others) drives the story:
  • She describes how neighborhood boys commonly crept in when she was a teenager.
  • She discusses how “consent or rejection” depended on the situation.
• How the logistics worked:
  • Women’s doors were left open on special nights.
  • Young men coordinated in groups.
  • Boys used rock-paper-scissors (or a friend allowing “Tiger Son”) to decide who would enter.
• Sneaking past parents:
  • Parents were supposedly awake but pretended not to notice due to thin walls/sound issues.
  • Cover stories included comedic lines like, “Honey, probably just rats.”
• Tatami trick:
  • One man supposedly loosened his sash and placed it on the tatami to tiptoe more quietly.
  • The video plays it as both clever and absurd.
• Door-creaking workaround:
  • In another account, a man is said to have peed on the bottom of the door to stop creaks and signal the house had already been visited.
  • The narrator presents it as “genius or madness?” with playful uncertainty.
• The video emphasizes yobai wasn’t only for special occasions:
  • It could be casual and frequent in some villages.
  • It even involved nighttime “signals” between friends.
• Peer voyeurism:
  • Other boys might listen at the wall or watch during the act.
  • The video portrays this as both cultural and an added layer of intensity.
• Consequences if someone got caught late:
  • One story describes a man who overslept and had to awkwardly eat breakfast with the girl’s family—played as an intentionally uncomfortable punchline.
• A serious dark turn (real-world tragedy):
  • The video discusses Toyi Mutsu (1938), who, after tuberculosis led to rejection and mockery, killed neighbors in revenge before killing himself.
  • The narrator uses it as evidence that women could reject men fairly easily during yobai, and also as a warning about social tensions.

Broader Explanation: Why It Varied by Region

• Community strictness mattered:
  • Some places allowed broader access.
  • Others restricted who could visit whom.
  • Some accounts suggest women could “creep” into men’s spaces, though this was rare.
• Pregnancy shaped outcomes:
  • Parents often controlled marriage, but pregnancy could force changes.
  • This sometimes produced resentment and extreme stories (including “peeing on the door”).
• Despite more single mothers/children in some areas, the video argues society didn’t “collapse” because:
  • rural communities were tight-knit, and
  • children and single parents were often supported.
• Regional contrast: more yobai in the southwest than the northeast.
  • Northeast: stricter hierarchies emphasized controlling bloodlines, so yobai was less tolerated.
  • Southwest: more cooperative family structures made it more acceptable.

Historical Evolution

• Nobility and later elites reshaped it into more ritual-like forms, such as:
  • marriage-like arrangements based on sleeping together for a set period
  • courtesan customs that delayed sex until the “third meeting”
• Later, government banned yobai as adultery during the Meiji era,
  • though it lingered in some villages until as late as the 1950s.

Ending Reaction

• The elderly woman (Kameiku) is portrayed as nostalgic for older sexual freedom, lamenting that today married women having affairs is unacceptable.
• The narrator ends with a darkly ironic note:
  • while unwanted children were a “problem,” the video (grimly) jokes about “murder being an option,”
  • then segues to another episode.

Notable Personalities Mentioned

• Hatanaka Kameiku: the main elderly woman interviewed; her accounts frame much of the video.
• An unnamed older gentleman: provides the peeing-on-doors / door-creak story.
• Toyi Mutsu (1938): the tragic case study discussed as part of the real-world consequences backdrop.