第 10 集: Reiko發現Kujirai B的眼鏡能揭示幻象，而Xiaohei則面對來自三年前的複製體。
2025年6月7日 播出
Reiko notices that Kujirai B's glasses show her Kujirai B's visions. She peals a talisman off the wall and on the back it says "403 FORBIDDEN." Xiaohei continues his work as a janitor, but he has a duplicate in the city, a Xiaohei from three years earlier. Normally when a 'real' person enters the city, their duplicate disappears. Yaomai's memories were coming back when ate a piece of chocolate and things started to happen.