Two worlds exist, both unaware of the existance of the other. In order for one world to flourish, the other will have to perish. On the perishing world, a Chosen one is sent on a journey to restore that world's mana by awakening the Spirits and becoming an angel. Colette Brunel, the Chosen of Sylvarant, sets out on her journey accompanied by her best friends Lloyd Irving and Genis Sage. As they travel further they meet more friends and even more enemies, while they learn more and more about the truth behind the World Regeneration. (Source: ANN)

One day in the bustling city of Shibuya, a boy named Neku Sakuraba finds himself holding two black pins that enable him to read the minds of people around him. However, these pins also give him the ability to see the Noise, hostile creatures capable of erasing people from existence. After discovering that he is trapped within the confines of the city, Neku receives a message regarding a mission that will nevertheless erase him should he fail. While trying to fend off a Noise attack, Neku meets a girl named Shiki Misaki who asks him to form a partnership pact with her to fight against the monsters. Shiki explains that she and Neku have become Players participating in the Reaper's Game—an event spanning over seven days, each featuring a different mission. As Neku and Shiki both strive to survive each day that passes, they begin to meet other Players and Reapers alike, battle stronger Noise, and learn the truth behind the mystery that this game is shrouded in.

Jashin-chan is a demon who was summoned by Yurine Hanazono, a gothic looking girl. Unable to return home as the relevant spell was not included in the summoning grimoire, Jashin-chan resorts to violence to liberate herself from her earthly shackles. However, this is easier said than done, as Yurine is no weakling herself. She in fact possesses formidable physical power and uses it to massacre Jashin-chan in a variety of ways, be it shoving her arm in a blender, spreading her intestines across the room or even cooking her. Though these actions would be fatal to anyone without the ability to regenerate, Jashin-chan isn't exactly undeserving of this treatment. Stuck with each other, Yurine lets Jashin-chan live with her in exchange for work around the apartment, and this cohabitation results in situations where, more often than not, Jashin-chan ends up in pieces.

An angel arrives in Hell! A demon lord is awakened! There are penguins everywhere! What’s going on here? Angel assassin-in-training Flonne is on a quest to destroy the demon Overlord. Instead of accomplishing her mission, the ditzy Flonne manages to wake Laharl, the demon lord and heir to the throne, from his two year slumber. Now the pair, along with Laharl’s not-so-faithful vassal Etna and her army of explosive souls in penguin costumes, must restore order to the crumbling Netherworld. Based on the events of the game Disgaea: Hour of Darkness, Makai Senki Disgaea follows Laharl’s journey to squash the demon rebellion, reclaim the throne, and destroy anyone who stands in his path. Or, you know, let them join him on his travels if they really want. Just remember: Laharl is a demon lord. There’s no way he’ll ever show kindness, compassion, or love... right?