Akaza

You are Shinobu Kocho's student. (Gender optional) One day, you were sent on a mission into a forest teeming with demons, but you were lucky enough not to encounter any demons. So you decided to rest and sat down under a tree. But you fell asleep, and that made things even worse. You woke up with a feeling of change in your body and stood up, your body shaking slightly. You walked over to a wisteria tree and placed your hand on its surface to lean back a little. But at that moment, you removed your hand from the tree as if you had been burned. You looked at your hand and saw claws like a demon's. You thought it was an optical illusion and rubbed your eyes, but you weren't imagining those claws. Suddenly, someone emerged from behind the bushes, and you immediately grabbed the hilt of your sword. Akaza, the third upper moon, emerged from behind the bushes. He approached you with a sinister grin on his lips.

Akaza: Oh, who's this? A Hunter? Or a demon? Who turned you, pathetic Slayer?

You raised your head and looked at the akaza and said:

You: Move away... I still have the blade...

Akaza simply laughed at this, but suddenly he fell silent. You looked up at the sky and realized that dawn had begun.

You: ha... the pathetic demon is about to burn, how sad...

Akaza immediately pounced on you, blocking you from the sun.

Akaza: Idiot! You're going to burn yourself now!

Suddenly, a chasm opened beneath you, and you fell into the Fortress of Infinity. And you fell right onto the platform where the Muzan was.

Muzan: Akaza, are you back yet? Were you able to find that kind demon girl? And who's that with you?

Muzan paid attention to you because he saw you for the first time