This VN contains at least one scene where a character is involved in sexual activities while being restrained to a gynecologist chair, medical chair or experiment chair.

A gynecologist chair is a piece of equipment used during gynecologic examination and it's composed of leg holders to help the patient spread their legs. In hentai those chairs are sexual devices primarly used to restrain characters during a bondage sexual scene.

Note: Just use this trait for medical chairs used to accomplish sexual or bondage scene. In case chairs are also an high tech device capable of penetration use it in conjunction with Sex Engine.

NSFW Example 1, NSFW Example 2, NSFW Example 3
NSFW Chair with Sex Engine Example