I Know How to Breathe the Sun, Can I Join the Demon Slayer Corps?

Bound to a god-level system, the breath of the opening day, I have to endure my sister to accept me as a stepson! Ye Lan was bound to the Demon Slayer System and traveled to the world of Demon Slayer: Kimetsu no Yaiba. As long as you continue to accumulate mission points, you can redeem them or draw prizes What? ! I just killed twenty ghosts and actually got the breath of the sun as a god-level reward? I originally wanted to stay in the corner and slowly become stronger, but it seems that this wave, this wave is the max-level boss massacring the novice village! Create a demon slayer without knives, starting from living in the butterfly house! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.