18 — Mirai Nikki Episode

In the 18th episode of Future Diary, "Crossed Lines," Yukiteru deals with the tragic murder of his mother, Rea, by his father, Kurou, leading him to make a desperate choice. The episode features a brutal battle with the Seventh pair, Marco and Ai, as Yuki adopts a more ruthless, cold-hearted, and manipulative, as well as calculated, demeanor. Furthermore, Detective Nishijima discovers the skeletal remains in the Gasai home, further exposing Yuno's dark secrets. You can watch the episode on Crunchyroll .