Shinobu đụ tanjiro như một phần của việc đào tạo của anh ấy. Sát thủ quỷ

Tanjiro, in search of becoming stronger in order to defeat Muzan, decides to go train with Shinobu, what he did not know is that she had a special training for him, he must give all his strength in this training to satisfy Shinobu, and not It will be easy because she is hard to please.