After her father having run away due to gambling debts, and being evicted from her apartment, Nanami meets Mikage, a strange man who is afraid of dogs. Nanami "saves" Mikage from a dog and tells him her story. He gives Nanami his house as a thank you for saving him. Nanami accepts the offer, due to having nowhere else to go. Mikage draws her up a map showing her where to go. Upon arriving, she finds that it is a rundown shrine. Nanami is then almost killed by Tomoe, who was expecting Mikage to finally return after his 20 year absence. She is then greeted by both Onikiri and Kotetsu, as the new land god of the shrine. Unable to accept Nanami as the new land god, Tomoe mocks her then leaves the shrine, which, without Tomoe's power transforms back into a run-down state. Not wanting to rob Tomoe of his home and realizing that her powers as a god are too weak anyway Nanami leaves, but eventually is brought back by Tomoe after she seals a contract with him, making him her familiar.

Jonah is a child soldier, born amidst the chaotic conflicts that rage across West Asia, his family lost to a war fueled by weapons supplied by the so-called Merchants of Death--international arms dealers. Despite Jonah's hatred of weapons and violence, he employs both extremely well in the service of high-flying arms dealer Koko Hekmatyar and her band of mercenaries. Their journey through the dark underbelly of the world's arms markets may lead only to damnation, but will Jonah one day make his way back to the light? Only one thing is certain: it's going to be a long, hard road out of hell... 

Yoshino Takigawa is visiting his friend's family grave. After getting there, he encounters Evangeline Yamato, a woman in search for his friend, Mahiro Fuwa, who left a month ago to find his family's killer without any clues to who it might be. Evangeline informs Yoshino that two places where Mahiro has been spotted have been quarantined, due to an epidemic.

When Evangeline is questioning Yoshino at gun-point, Mahiro comes out of nowhere and swiftly saves him and can stop bullets in mid-air, claiming to have a deal with a sorceress; not just any, but the strongest sorceress, Hakaze Kusaribe, who promised to help find his family's killer with her magic so he can kill the killer himself.

After saving Yoshino, Mahiro informs him about the epidemic, a curse that turns living things into metal, claiming the Kusaribe clan plans to revive the Tree of Zetsuen that could destroy the world. 

It is the year 201. A device called the PhoneDroid, more commonly called the PokeCom, has gained wide-spread acceptance.

On the island of Tanegashima, Central Tanegashima High School's Robot Research Club is on the verge of disbandment. Yashio Kaito shows absolutely no interest in the Club despite the situation and being one of the club's only 2 members. He is fully absorbed in developing a robot fighting game. His attitude causes friction with Akiho, the other member.

Senomiya Akiho is the reckless Club President. She is determined to save the club by completing construction of a giant robot.

One day, whilst Kaito was in a park, working on his computer game as usual, he hears a girl's voice and discovers the A.R. annotation of the Kimijima Report. It is an allegation of a plot by one Kimijima Kou's with world-wide implications.

After being kicked out of the main dorms for bringing in a stray cat, Kanda Sorata is forced to live in the smaller Sakura Halls where problem students are sent to live. Although he doesn’t mind his roommates, Sorata can’t wait to move out of Sakura Halls. But when Shiina Mashiro moves into the dorm, everything changes. Mashiro is an artistic genius who, at a young age, won many awards for her skills, but due to her childhood being so focused on art, she has no common sense and social skills. Forced to take the role of taking care of Mashiro, Sorata learns about himself and begins on a path of self improvement. 

Ryota Sakamoto is one of the top-ranked players of BTOOOM!, an online battle game. But no amount of simulated warfare could have propared him for what is to come ...Ryota wakes one evening to find himself dangling from a tree by a parachute with no recollection of how he got there. Before he can orient himself to his unfamiliar surroundings, Ryota is attacked. As a barrage of explosives rain down on him, Ryota realizes that he too has a pack of bombs ...bombs that look very similar to the ones used in BTOOOM! Ryota may have mastered the online game, but can he come out on top in this real-life game of survival?! 

The story is about the Himenokouji twins named Akito and Akiko who got separated due to certain circumstances and after years of living apart they suddenly began to live under the same roof once again. Things were fine at first until Akiko began expressing her love for her older brother. Now Akiko must fight to defend her extraordinary love for her Onii-chan as she battles against all odds and three other girls who are after her beloved Onii-chan. 

The continuing stories of the daily life of the students of the Hidamari Apartments at Yamabuki High School. This time, a year has passed since the first season. Yuno and Miyako are second years, Sae and Hiro are third years, and two new students, Nori and Nazuna, move into the Hidamari Apartments.

Mizutani Shizuku is the type of person who only cares for her own grades. But when she accidentally delivers the lesson notes to Yoshida Haru, Haru becomes convinced they are friends.

Haru turns out to have a very innocent personality, but who would've thought that Haru would actually confess to Shizuku?