Death: Can I Hang up and Become Stronger?

Author Xiaobai, first book. Of course, I also have my own additions to the plot, so please support me. Alas, lv4 of the slicing technique is almost at lv5~ I wonder if I can conquer the Unohana Eight-Thousand-ryu~ If it's possible, hey hey~ some wretched man, oh no, our protagonist Kenzaki Kazuma is feeling jealous in his heart. The introduction is weak, please read the text. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.