For those who want the subtitles that have not been released with the raw,
they can find them in the Subs section with ( x.ass ) format,
Make sure the subtitle has the same name as the raw, before you play it.

18if

After going to sleep like normal, Tsukishiro Haruto wakes up to discover something unbelievable—he’s stuck in dream world! Here, witches plague the dreamscape and are more than dreamy figments—they’re the trapped souls of young women who’ve rejected reality and are afflicted by the “Sleeping Beauty Syndrome.”

As he searches for a way out, Haruto will face the witches and their terrifying powers.