One day, Naho Takamiya receives a letter written to herself from ten years in the future. As Naho reads on, the letter recites the exact events of the day, including the transfer of a new student into her class named Kakeru Naruse. The Naho from ten years later repeatedly states that she has many regrets, and she wants to fix these by making sure the Naho from the past can make the right decisions—especially regarding Kakeru. What's more shocking is that she discovers that ten years later, Kakeru will no longer be with them. Future Naho asks her to watch over him closely.

Officer Mai Kawai has had enough! She’s sick of being a police officer—but just when she’s about to hand in her resignation, the arrival of a brilliant (and beautiful) ace detective named Seiko Fuji changes her mind. Will Fuji reignite Mai’s passion for policing? And will Mai uncover the mystery of why Fuji was transferred to this ordinary police box?

Amid the desolate remains of a once-thriving city, only the rumbling of a motorbike breaks the cold winter silence. Its riders, Chito and Yuuri, are the last survivors in the war-torn city. Scavenging old military sites for food and parts, the two girls explore the wastelands and speculate about the old world to pass the time. Chito and Yuuri each occasionally struggle with the looming solitude, but when they have each other, sharing the weight of being two of the last humans becomes a bit more bearable. Between Yuuri's clumsy excitement and Chito's calm composure, their dark days get a little brighter with shooting practice, new books, and snowball fights on the frozen battlefield.

Among a scenery of barren landscapes and deserted buildings, it is an uplifting tale of two girls and their quest to find hope in a bleak and dying world.

Once upon a time, there was a witch named Elaina. Inspired by her favorite book, Elaina ventures out to see the world she's read so much about. Like a leaf on the wind, she travels from one country to another, looking to sate her inquisitiveness and searching for new experiences. Exploration and curiosity drive her journey. She's confronted by humanity in all its forms, whether strange, bizarre, or emotional and with each meeting, Elaina would become a small part of their story, and her own world would get a little bit bigger.

Ten years ago, a mysterious spatial anomaly now known as "Heaven's Gate" appeared in South America, shortly followed by the opening of "Hell's Gate" in Tokyo altering the sky and wreaking havoc on the landscape. The real stars disappeared, replaced by false stars. During this time, people possessing various special abilities — called "Contractors" — emerged, each capable of different supernatural feats. Following the disastrous Heaven's War, the United States lost its dominant position as a superpower to a mysterious organization named the Syndicate. The story revolves around a Chinese contractor codenamed "Hei" as he undertakes various espionage and assassination missions in Tokyo.

Ganta is the only survivor after a mysterious man in red slaughters a classroom full of teenagers. He's framed for the carnage, sentenced to die, and locked away in the most twisted prison ever built: Deadman Wonderland. And then it gets worse.

If I am promised to the princess, then I will fight for her sake.

In 1939 C.E., the imperialist nation of Germania invaded a neighboring country. All at once, that war spread throughout Europe, and the era was dragged into a spiral of a great war.

Then, in 1940, Germania's attack turned towards the Principality of Eylstadt, a small Alps country abundant with beautiful water and greenery.

The story revolves around Shu Ouma, a high school boy who inadvertently obtains an ability called "The Power of the Kings" that enables him to draw out items called "Voids" from other people. He is then thrown into the conflict between a resistance group called Funeral Parlor which aims to restore Japan's independence from a quasi-governmental organization known as the GHQ. In the process, Shu has to deal with the burden his ability puts on his shoulders and the horrific mystery of his past.

On the way home from school one day, Konoha Koga rescues Satoko Kusagakure, a ninja who escaped her village. Soon, pursuers from the village show up in search of Satoko only to be deftly dealt with by Konoha. As it turns out, the unassuming high schooler is actually an assassin. Thus, the potentially cutthroat cohabitation of a ninja and an assassin begins!