成人向け（せいじんむけ、R-18）は、成年（日本では18歳または20歳以上の年齢）を対象にした「成人指定」のもの。 特に、18歳未満禁止のものは、18禁（じゅうはちきん）、R18（アールじゅうはち）とも称される。
![MADV-577 [4K] Competitive Swimsuit NTR: I got a full erection from the sight of my busty, beautiful-legged neighbor in a high-cut swimsuit. Even though I'm married, I came over and over again in intense sex. Rin Ouka](https://cdn.goodhub.xyz/assets/images/madv-577-4k-competitive-swimsuit-ntr-i-got-a-full-erection-from-the-sight-of-my-busty-beautiful-legged-neighbor-in-a-high-cut-swimsuit-even-though-im-married-i-came-over-and-over-again-in/300/thumbnail.png)
![MADM-195 [4K] The wife next door is a beautiful big-breasted instructor. She seduces you boldly with her flexible body. A divine scenario you've only ever dreamed of, forbidden creampie affair sex. Yui Hatano](https://cdn.goodhub.xyz/assets/images/madm-195-4k-the-wife-next-door-is-a-beautiful-big-breasted-instructor-she-seduces-you-boldly-with-her-flexible-body-a-divine-scenario-youve-only-ever-dreamed-of-forbidden-creampie-affair-se/300/thumbnail.png)
