検索内容:
sexual intercourse, sex, coitus, copulation
Sexual intercourse is one of the basic biological behaviors of humans.
to have sex, to copulate
They had sex right after they got married.
(anatomy) anus
The anus is a part of the digestive system and plays a role in excreting unnecessary substances from the body.
sex position
Knowledge about sex positions can help deepen your relationship with your partner.
an anal sphincter
The anal sphincter is an important part of the body.
Kyūjitai form of 性交体位
This book explains in detail about various sexual positions.
a levator ani
The levator ani is one of the important parts of our body.
an internal anal sphincter
The internal anal sphincter is a muscle that helps us control defecation.
an external anal sphincter
The external anal sphincter plays a crucial role in helping us control defecation.
アカウントを持っていませんか？ 新規登録
アカウントを持っていますか？ ログイン
DiQt（ディクト）
無料
★★★★★★★★★★
