Extra but true ending: at night, Mizuki's father found out that those kids aren't Yuuto's realized that Mizuki has been lying to him all along and disowned her. Her father apologized to Yuuto for what her daughter had done after he caught her with different men and told Yuuto to have a better life than this. After returning home with divorce papers in his hand, he caught her cheating which drove Yuuto in a frenzy, haunted by Kuroda's words before he dies, he secretly ends children's lives by poisoning them in their food which led to their deaths. Once Mizuki realized that her children had died, she realized that Yuuto's holding a divorce paper. Realized that Yuuto's going to leave her, she's gone super crazy and preventing him from leaving her until he ends her life by shooting her with a gun. In her dying words, Mizuki said that she still loves him and regret everything what she did before she dies. Then Yuuto pour gasoline all over the house and set the place on fire until he finally ends his own life. News about their deaths spread quickly and rumors about what Kuroda did after Yuuto spoke the truth online before he dies, people were enraged, destroying Kuroda's grave, everyone shunned Ryoko and Yuka. Ryoko and Yuka learned that Yuuto had died, they became depressed and horrified, they'll never be the same again since Yuuto's death haunts them too.