Face-off (chair straddle)

M/F · Vaginal penetration · Seated

Posed figure

Face-off (chair straddle) sex position — posed figure showing body placement for 2 people

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Keypoint template

PenetratingReceivingCOCO-17 template · schematic, not to scale

Attributes

Position family
One-on-one
Primary act
Vaginal penetration
Partner arrangement
Seated
Penetration type
Vaginal
Facing
Face to face
Dynamics
Riding
Support / surface
Seated on furniture
Participant count
Two
Composition code
M/F
Source medium
Video
Physical difficulty
Low
Prevalence in adult media
Common
Intensity tier (compliance)
Explicit

Common camera framing

Side profileWide / full body

Description: The penetrating partner sits on a chair or couch edge; the receiving partner straddles their lap face-to-face and rides. The furniture-based sibling of the lotus.

Variations: Feet on the floor for leverage or knees on the seat; leaning back against the partner's hands.

On camera: Works in any location with seating; profile framing reads the straddle cleanly.

AI design considerations: Upright seated figure with a straddling figure on its lap, knees flanking the seat — chair context distinguishes it from floor lotus.

Historical provenance

Where this position appears in historical sex manuals, erotic art & literature · full timeline →

  • Taimen-zai (face-to-face seat)Japanese (Edo period) →

    Shijūhatte (the Forty-Eight Techniques) — Edo-period pleasure-quarter tradition · 17th–19th century CE

    The standard Japanese term for the facing seated union.

  • The chair sceneChinese (Ming–Qing) →

    Chinese spring-palace albums — Ming and Qing album painters · 16th–18th century CE

    Chair-seated unions are a recurring signature of the spring-palace albums.

Depicted in the historical record

Museum-attested works showing this arrangement · full timeline →

  • Moronobu, "Two Lovers" & "Courtesan with a Young Man beside a Screen"Shunga →

    c. 1675–80 · Metropolitan Museum of Art (JP676)

Generating this position

A starting prompt composed from the catalog vocabulary. Every tag is verified to exist and not be deprecated. Compose across wardrobe, scene and expression in the prompt builder.

Booru-tag checkpoints

1boy, 1girl, hetero, upright_straddle, on_chair, sitting_on_lap, straddling, vaginal

negative: bad_anatomy, bad_hands, censored, monochrome, 2girls, 3girls, 2boys, 3boys

Image to video (Ride (bounce))

upper figure rises and drops vertically, thighs driving, torso upright, camera is locked on a tripod and does not move.

Motion only. The still you condition on must already carry the position, wardrobe and scene: restating them causes drift.

Expected figure count: 2. Global pose conditioning does not make a diffusion model count bodies. Count figures and limbs at full size before judging quality, because thumbnails hide the failure. The tag upright_straddle is broader than this position: upright_straddle covers every face-to-face upright straddle including the floor-seated lotus; it does not record that the penetrating partner is seated on a chair or couch edge with the receiver's feet able to reach the floor for leverage.

Identifiers in other vocabularies

How this position is denoted elsewhere, and what each mapping discards. Full table in the crosswalk.

  • upright_straddlebroadershared with 1 other positions

    upright_straddle covers every face-to-face upright straddle including the floor-seated lotus; it does not record that the penetrating partner is seated on a chair or couch edge with the receiver's feet able to reach the floor for leverage.

  • Taimen-zai (face-to-face seat)closeShijūhatte (the Forty-Eight Techniques)

    Attested source name. The standard Japanese term for the facing seated union.

  • The chair scenecloseChinese spring-palace albums

    Attested source name. Chair-seated unions are a recurring signature of the spring-palace albums.

Actions this position admits

The position fixes who is where. These are the beats that are physically possible in it, from the action catalog. Contact through the characteristic beat is intermittent.

Idle / micro-motionPose settleApproachDisrobeCaressKissEntryRide (bounce) (characteristic)Ride (grind)Grind (circular)Grind (rocking)Thrust (shallow)Thrust and holdManual strokeRepositionClimax reactionAftermath

Camera moves that suit the geometry: Orbit (360), Arc (partial), Push in.

Also known aslap dance positionchair lotusstraddle seat

Related positions

Fellatio (recipient reclined)Footjob (seated facing)Full nelsonJockeyKneeling embraceKneeling rear embrace
Back to CatalogUse in Generator

Part of the Erotic Pose Catalog open dataset · CC BY 4.0 · keypoints are idealised COCO-17 templates.