The manga focuses on a certain unnamed character who appears throughout the story of A Certain Scientific Railgun and A Certain Magical Index, and whose name is revealed in this story set at Tokiwadai Middle School.
"Progressive Rejuvenation Syndrome." This is an extremely rare disease causing the inflicted person to gradually become younger. The main character of this story, Munenori Agawa, is the only person that could save Rena Amami from this odd disease. Agawa's saliva is the only thing that can halt the disease from making Rena younger, so they must kiss everyday in order for her to survive. This causes an immense amount of conflict and drama between Agawa and his new girlfriend, Sayako Asou. This triangle relationship story tests the capabilities and limitations of human love.
After killing many monsters, Zhong Kui and his apprentice Qin Shuang found a bizarre connection between these monsters and their some odd setup. Finally they find out that someone is trying to set up this kind of array in the capital.
Eunha is heartbroken when she finds out her high school sweetheart, Siyeon, used an elixir to make her fall in love. When the two reunite 10 years later at a business meeting, Siyeon asks for a second chance. But before they can talk things out and rebuild their trust, greater magical forces interfere.
The summer they were eleven, they killed a man and buried his body in a cave. Since then, every year, one summer night has marked a ritual: a ritual never to forget, and never to betray. Five years have passed. Their sixteenth summer. The body, now a skeleton. Unravelled lies. A faceless blackmailer. The phone rings, and a life is torn apart. The bones, like their crime: never rotting, never fading away. Now, a living hell begins.
When you call for domestic help, it's your classmate who comes...?! A daily short series of romantic comedy with a maid classmate!
Itaewon, where their values are similar. Their story lives on this street.
In her past life, everyone knew her as the villainess of Nan City, but they didn’t know that she was just a reckless support-character. After she was set up, lost all her reputation, and died in the streets, she returned through reincarnation. In this lifetime, she decided to embrace the identity of the villainess that they believed her to be. She would not let the real villains get off scot-free!
Miyo, a human girl dedicated as an offering to the snake, the lord of the mountain. Miyo was frightened in front of a large snake that had a big body and swallowed a fox, but her feelings gradually changed...
Satoru earned a name as a genius boy detective, and the police rely on his reasoning skills. His secret, though, is that he is able to see the ghosts of the dead, and they provide him with the hints that lead him to solving cases. Now that he's a teenager, he has attracted a strange 'ghost' named Kako, who claims that she is actually a god. She goads him into taking more mysterious cases, in the search for a vengeful spirit that wants to kill humans. Now they are a team... where he solves the cases and she purifies the vengeful spirits!
During a flashback, an interviewer inquires Kuzumi Taiga, a prospective student for Seinagi Private High School, on what he would do if he could use magic, during his entrance interview. He replies, "take over the world", with an outburst of laughter, from an attractive girl, following his answer. After the entrance exam, the school rejects his application; although he recalls almost nothing after this event, he does recall the girl, and believes the cause of his school of choice rejecting his application involves her. Wandering around outside of the school the next day, Kuzumi tries to enter, but an invisible barrier blocks him. A teacher, Mr. Hiiragi, confuses Kuzumi for a student of the school ditching class and pulls Kuzumi into the school through the barrier. Seinagi Private High School is actually a magic school and Kuzumi is a teenager with no magical skill.
Serialization of a short twitter oneshot about a crow returning to repay her favor to an unsuspecting human.