While saving a child from harm, otaku Asahi Ikusaba is transported to another world and believes he has reincarnated with cheat skills similar to those of the characters from his favorite games and novels. Unfortunately, reality strikes when an encounter with a powerful monster shows that he is still nothing more than an average person. In this moment of extreme danger, Asahi instinctively calls out to his overly doting sister, Maya, who appears out of nowhere, possessing the overpowered abilities he thought he had. Maya is ecstatic to see her brother again and resolves to use her newfound powers to protect Asahi no matter what. Together, the close-knit siblings attempt to find a way back home while enjoying their new lives. However, it soon becomes clear that their arrival in this world may have had a purpose. With the Demon King's overwhelmingly powerful army approaching, no one but Maya seems to be able to stand in its way.

After surviving an attack from the rival Kouga clan, Ittoki Sakuraba, an ordinary boy, discovers that he is the 19th heir of the Iga ninja. Ittoki learns to become an Iga clan ninja and joins the war between the Iga and Kouga clans.

No início do século XX Hokkaido, Japão, uma caça ao tesouro ocorre entre várias partes em busca de um esconderijo de ouro.

His strength limited by the magic crest he was born with, Mathias, the most powerful sage in the world, decides that reincarnation is necessary to become the strongest of all.

A estudante Yuri se vê no alto de um arranha-céu em um mundo onde precisa enfrentar assassinos mascarados dispostos a tudo para matar suas vítimas.

Recordações evocadas por uma tigela de macarrão, a decadência de uma bela modelo e um primeiro amor com sabor agridoce -- três histórias urbanas ambientadas na China.