After their parents tragically passed away during middle school, Lee-kun was left alone with his doting sister, Towa. However, three years later, Towa also disappears. Subsequently, Lee-kun himself is summoned to a different world and reunites with Towa.

A gun otaku dies after toying with a homemade pistol that explodes in his face. In the afterlife, he is told that he will be reincarnated into another world. When the otaku wakes up, he finds that he is no longer human - hes now just some little furry thi