"Ryoma with the Slimes" (approximate length: 23:47 minutes).
The story follows Ryoma Takebayashi, who is reincarnated by three gods into a fantasy world where he spends three years living in a forest researching and taming various slimes. KamitachiOtokoEp1HD23:47 Min
You can watch the series on official streaming platforms like Crunchyroll or Hulu. "Ryoma with the Slimes" (approximate length: 23:47 minutes)
The "paper" suffix likely refers to (紙), which means "paper" in Japanese, though in the title of this series, Kami (神) refers to "Gods." Series Details which means "paper" in Japanese
Kami-tachi ni Hirowareta Otoko (By the Grace of the Gods).