Most of these websites require an account to see the R18 content, so you should consider making it if you are curious.
Be warned that some of my creations can get pretty extreme, so approach it with an open mind, or walk away if you feel sensitive, I won't judge.
Pixiv - my most up to date illustration/comic/novel gallery. All R18 work follows Japanese censorship.
Itch.io - I have nsfw games too (at least one is in progress).
Newgrounds - contains some nsfw stuff, but only a limited selection that follows newgrounds adult art policies.
Twitter X - the more active twitter account, but still doesn't get all the
Bluesky - limited posts, but may start having more because videos are now available
18+ account (adults only!)