The Stairway

M/F · Vaginal penetration · Seated

Posed figure

The Stairway 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
Grinding
Support / surface
Edge of surface
Participant count
Two
Composition code
M/F
Source medium
Video
Physical difficulty
Moderate
Prevalence in adult media
Niche
Intensity tier (compliance)
Explicit

Common camera framing

Side profileWide / full bodyLow angle

Description: The penetrating partner sits on a step with the feet two risers down, and the receiving partner sits into the lap facing them with their own feet lower still. The staircase provides the height offset that a flat floor cannot, and both partners keep contact with a solid surface throughout.

Variations: Which step each partner takes sets the angle. Facing away instead converts it into a rear-entry seated position on the same geometry.

On camera: The stair diagonal and the raised height make it a favorite for hallway and entryway sets. Wide profile is the only framing that shows the geometry.

AI design considerations: Two seated figures at different heights with a stepped surface behind. The step offset is the whole position and a flat floor removes its reason to exist.

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, sitting_on_stairs, on_stairs, stairs, sitting_on_lap, straddling

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

Image to video (Grind (rocking))

pelvis rocks forward and back through a short arc, contact never breaking, 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 any face-to-face straddle of a partner sitting upright, on a chair, a couch edge or the floor alike. It discards the staircase that makes this entry, the penetrating partner seated on a step with the feet two risers down and the receiver's feet lower still, which supplies the height offset a flat floor cannot. The stair survives only in the sitting_on_stairs, on_stairs and stairs support tags.

Identifiers in other vocabularies

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

  • upright_straddlebroadershared with 5 other positions

    upright_straddle covers any face-to-face straddle of a partner sitting upright, on a chair, a couch edge or the floor alike. It discards the staircase that makes this entry, the penetrating partner seated on a step with the feet two risers down and the receiver's feet lower still, which supplies the height offset a flat floor cannot. The stair survives only in the sitting_on_stairs, on_stairs and stairs support tags.

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 maintained.

Idle / micro-motionPose settleApproachDisrobeCaressKissEntryThrust (shallow)Thrust and holdGrind (circular)Grind (rocking) (characteristic)Ride (bounce)Ride (grind)Manual strokeRepositionClimax reactionAftermath

Camera moves that suit the geometry: Locked off, Pull out, Arc (partial), Crane down.

Also known asseated stepstepped seatriser sit

Related positions

The SwingThe TreeThe TwisterThe WaterfallThe WraparoundThe X
Back to CatalogUse in Generator

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