It's Over, I'm Not Just a Passerby, Am I?

Um? This man has been sharpening his sword for ten years, and he has become the best in the world with one sword. Isn't this the protagonist? And this one is also the protagonist? Can you read the secrets of the exercises at a glance? Well? Why is there still a monster squatting in this corner? It's over, I'm not just a passerby, am I? Am I not just a stepping stone on the road to others' success? I don't want to be stepped on by others! What to do? So sad, so sad! Is there any beautiful sister passing by? Please comfort me and give me a hug. I'm talking about you, huh? Don't run! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.