Shunsuke Aoba has just transferred to a new school and can’t wait to attend. Excitedly, he sprints to the school but, upon arrival, finds that no one is there. Unfortunately, Shunsuke didn’t know that his first day was a holiday, of all things. However, it seems that he is not the only one on campus. As he is about to eat his lunch, he meets a student named Natsumi. Shunsuke gives her some of his food, and the two strike up a conversation. Natsumi was born as a so-called SL girl, a particularly tall girl. She herself accepts her specialness but is rejected by many of her classmates. How will Shunsuke react to this? Will their initial friendship continue?

Japan in der Taisho-Ära. Viel passiert nicht im Leben des gutherzigen Jungen Tanjirō: Seinen friedlichen Alltag verbringt er damit, Kohle zu verkaufen. Doch plötzlich verändert eine Tragödie alles: Ein blutrünstiger Teufel tötet seine gesamte Familie. Die einzige Überlebende, seine kleine Schwester Nezuko, verwandelt sich jedoch selbst auch in einen gewalttätigen Teufel. Um einen Weg zu finden, Nezuko zurück zu verwandeln und Rache für ihre Familie zu nehmen, brechen die beiden zu einer langen Reise auf.