Titzuki has a lovely gacha release with poses at Pose Fair, including the aptly named “wavy grabby cloth” that contains some poses inside it. I confess to using my own pose and using the cloth as an accessory today.
Hair: *ARGRACE* Saki – Dark Brown by Rika Oyen
Leotard: Dead Dollz Black Leotard by Kiddo Oh (gacha item)
Socks: Dead Dollz Ballet Legwarmers+Pointe by Kiddo Oh (gacha item)
Pose: Eliza Quixote
Cube: Mesh Unit Rounded Cube #1 by Meshunit