第 18 集: 優姬在劉安越獄前的第0天甦醒，遇見渾然不知的瀨津

18

Before escaping from Liu-An-- Yuuri wakes up on "DAY 0," the day before the day that always loops. The Setsu they encounter there seems unaware of the silver key or the time loops...? (Source: Crunchyroll)