第4話: セツナはカレンを本土へ連れて行き、隠された秘密の中で母性的な再会を果たす
2018年7月22日 放送
Although it was by Karen's request, Setsuna does something unthinkable. They go to the mainland so that Karen can escape and go to see her mother. Why did she cry while Setsuna watched over her? Meanwhile, Sara is getting close to something. (Source: Crunchyroll)