Have you heard of Hell Correspondence? Those with a powerful grudge may only access this mysterious website at midnight, allowing them to enter anyone's name and have that person be ferried straight to hell. Ai Enma, the Hell Girl, will not judge whether or not the chosen target deserves punishment; she will merely exact revenge on them for you. Not much is known about this young girl other than that she swiftly carries out her tasks with the help of three straw dolls. There is just one catch, however—as payment for carrying out such a request, the user must condemn themselves to an afterlife in hell. [Written by MAL Rewrite]

"Power is everything." Jin Kazama learned the family self-defense arts, Kazama Style Traditional Martial Arts, from his mother at an early age. Even so, he was powerless when a monstrous evil suddenly appeared, destroying everything dear to him, changing his life forever. Angry at himself for being unable to stop it, Jin vowed revenge and sought absolute power to exact it. His quest will lead to the ultimate battle on a global stage — The King of Iron Fist Tournament.

The world is divided into two factions: humans and monsters called katawara. Despite being a katawara, Tama loves humans and vows to protect them from evil, even if it means fighting her own kind. Her brother Jinka, however, hates humans, despite mostly being one. The siblings are joined by a cowardly swordsman named Shinsuke, who wants to learn how to become strong. When the group uncovers a plot to experiment on humans and transform them into monsters, they vow to defeat whoever is behind it... Even if it means battling an entire army of warriors. The people they meet, places they see, and creatures they battle will be legendary!

A Day Before Us is an animated Korean drama of a special and sweet love story of the following four main characters; Yeo Reum, Ha Eun, Kim Wook, and Yeon Woo. (Source: AniDB)