It tells the story of Qilin mastering the S-level breathing method, Sun Breathing, in high school. Then there were sparks and lightning all the way, a talent that was unprecedented and unprecedented. Later, he not only awakened all the breaths, but also independently created a breathing method that was stronger than the Breath of the Sun. Then he joined the Demon Slayer Corps before graduating from high school and became a genius boy within a week.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.