Ancient Japan is under attack by powerful beings called "Kamikui," and it is up to the "Oni" and his band of eight beautiful female warriors to stop them. Each of these girls have unique skills, abilities, and personalities. They partner themselves with the Oni, Jin, to stop the miasma of darkness sweeping across Japan. Onigiri follows the escapades of Jin and his merry companions as they strengthen their bonds and fend off the demonic invasion. [Written by MAL Rewrite]

All of a sudden, they arrived: parasitic aliens that descended upon Earth and quickly infiltrated humanity by burrowing into the brains of vulnerable targets. These insatiable beings acquire full control of their host and are able to morph into a variety of forms in order to feed on unsuspecting prey. Sixteen-year-old high school student Shinichi Izumi falls victim to one of these parasites, but it fails to take over his brain, ending up in his right hand instead. Unable to relocate, the parasite, now named Migi, has no choice but to rely on Shinichi in order to stay alive. Thus, the pair is forced into an uneasy coexistence and must defend themselves from hostile parasites that hope to eradicate this new threat to their species. [Written by MAL Rewrite]

The story takes place in a future Akihabara where otaku culture has declined. Players play as a shopkeeper of an otaku shop. Together with the heroines who are in fact otaku girls, the shopkeeper start helping people claim their lost otaku memories back. (Source: QooApp)

For the Takakura family, destiny is an ever-spinning wheel, pointing passionately in their direction with equal tides of joy and sorrow before ticking on to the next wishmaker. With their parents gone, twin brothers Kanba and Shouma live alone with their beloved little sister Himari, whose poor health cannot decline any further. On the day Himari is given permission to temporarily leave the hospital, her brothers take her out to the aquarium to celebrate, where the family's supposed fate is brought forth with her sudden collapse. However, when Himari is inexplicably revived by a penguin hat from the aquarium's souvenir shop, the hand of fate continues to tick faithfully forward. With her miraculous recovery, though, comes a cost: there is a new entity within her body, whose condition for keeping her fate at bay sends the boys on a wild goose chase for the mysterious "Penguin Drum." In their search, the boys will have to follow the threads of fate leading from their own shocking past and into the lives of other wishmakers vying for the Penguin Drum, all hoping to land upon their chosen destiny. [Written by MAL Rewrite]