Kim Seo-jun, a new college student living an ordinary life. Something like a webtoon or web novel happens to him, where he ends up in a different fantasy world. He feels like he has become the main character...

When Eri Arisaki wakes up, she is put in prison for some reason in a different world. The prison has its own rules, and Eri is eventually involved in a big conspiracy... A different world prison survival tha...