Jigoku Shoujo R summary: There is a girl who was called Jigoku Shoujo. She would deliver vengeance for those who wish for someone to disappear. But by doing that, they will go to hell themselves and suffer for eternity after death. And she is now revived.
School girl Riko Umekita's life is thrown upside down by scariest boy in her class, Saruwada-kun. His family is from a long line of Yakuza and is known not to mess with them. She is dragged home with him only to find her parents there after some circumstances... Saruwada-kun then asks her to marry him. What is going on?
The "military history story concerning boys and girls" revolves around Yuki, a girl who has lived in the rural area of Kyoto with her six childhood friends who all share a secret that they cannot tell anyone. On her 16th birthday, Yuki's fate begins to change.