Kaname Chidori’s one of the most popular girls at her high school – unfortunately, it’s her growing popularity off campus she should be worrying about. Unbeknownst to Kaname, terrorists are plotting her abduction, believing she possesses the rare and coveted abilities of “the Whispered.” That’s where Sousuke Sagara enters the picture. He’s a hotshot soldier from the clandestine counter-terrorist organization known as Mithril – and he’s going undercover at Kaname’s school to try and keep her safe. He may be an ace in the cockpit of an Arm Slave mech, but there’s no training in the world that could prepare him for the warzone of high school.

A supernatural system allows people to take revenge by having other people sent to Hell via the services of a mysterious entity and her assistants who implement this system. Revenge, injustice, hatred, and the nature of human emotions are common themes throughout the series.

Mikan Sakura is a normal 10-year-old girl. Optimistic, energetic, and overall a very sweet child, Mikan is the complete opposite of the aloof, intelligent, and somewhat cold-hearted, Hotaru Imai. Despite their glaring differences, the two girls have been best friends for a very long time. So when Hotaru suddenly transfers to Alice Academy, a prestigious school in the city, her best friend is devastated—especially when she hears of the horrible rumors regarding the academy's harsh treatment of students. Beset with worry, Mikan runs away to see her best friend!

Dr. Oki , the genius scientist who designed a new type of submarine is missing. His son, Susumu, smells an evil scheme of unknown group. He knows everything of his father's submarine called "Super 99" – equipment, weapons, functions and capacity. Susumu thinks that to find his father is to reveal the secret organization, Helmet Party, and stop their conspiracy. With the help of his friends and Marine Corps, he sets out to an underwater quest, not knowing how dangerous his endeavour is…

Prétear is the story of a girl, Himeno Awayuki, who must overcome her fears to become the White Prétear and protect the life essence on Earth called Leafe, with the help of the Leafe Knights, Hayate (wind), Sasame (sound), Kei (light), Go (fire), Mannen (ice), Hajime (water), and Shin (grass). In order for Himeno to fight off the Princess of Disaster and the demon larva, she must become one with one of the Leafe Knights in order for her to become Prétear. Will Himeno be confident enough in order to fulfill her destiny when the time comes?

Seto Ichitaka has a crush on Yoshizuki Iori, a girl in his class who has become so popular she now has her own fan club at school. But only a miracle could make him be with her, since the day he first saw Iori-chan, Ichitaka has been too shy to even talk to her. This miracle happened and now he and Iori are working together on the Freshmen Welcoming Party. It seems that things start to look bright for Seto, but then a special childhood friend is coming for a visit...

Asou Daisuke is a high school student and a gifted artist - but he is currently suffering from a block, which keeps him from painting. His childhood friend, Tachibana Amane, who loves him deeply, persuades him to do a portrait of Kimikage Yurina, a girl with a heart condition, before Yurina undergoes surgery. In the process of rediscovering his art, Daisuke also realises the love that he and Amane feel for each other.

Appel, a hardworking scholarship student, arrives at an elite private high school ready to embark on his new academic journey. However, what awaits him is unforeseen chaos. Enter the mysterious pink-haired twins, Glista and Glyde, who have taken a burrowing interest in Appel. They’re sweet, bright, and wiggling their way into every part of his life. As his quiet routine begins to unravel, will Appel uncover the true nature of the twins to keep his life from rotting away? The line between intrigue and madness is razor-thin, and the worm is already at the core of the apple.