Sorry for late Reply 😅!
Yes this is Nano Machine.

https://i.postimg.cc/qRT339V9/i.jpg

Brother, The World is already harsh enough 😆😆

You're right but what I meant was in previous chapters all the teachers were referred a master and suddenly it went to sensei which felt little out of place as I was binge reading at that moment 😊

https://i.postimg.cc/50XPjYxp/i.jpg
Why do I had to read it first thing in the morning now my whole day is ruined 🙃
Whoever plans the cliffhanger:
https://i.postimg.cc/9fRT7G74/i.jpg

https://i.postimg.cc/nVqWDgPH/i.jpg

https://i.postimg.cc/7LZY6Ms1/i.jpg

https://i.postimg.cc/kXrsYGtx/i.jpg

https://i.postimg.cc/zvS86mHk/i.jpg
If
https://i.postimg.cc/8C8XJ70j/i.jpg
Had a face

https://i.postimg.cc/RCRf71rt/i.jpg
https://i.postimg.cc/XqHkQdPn/i.gif

https://i.postimg.cc/DyBkFfjt/i.jpg
Heavenly Demon even dies In a badass way

Tales of a Shining Sword, It's also available on this site by the name of Moonlight Sword.

https://i.postimg.cc/fbmqFyVr/i.jpg
Was it necessary for you to say it like that!!

https://i.postimg.cc/PJs8LV6J/i.jpg

https://i.postimg.cc/bvZrpPhF/i.jpg
https://i.postimg.cc/MG2NKb22/i.jpg

https://i.postimg.cc/65b9zLf1/i.jpg
Well he looks cool but, a proper sword would've made it look even cooler

https://i.postimg.cc/260ySzbt/i.jpg
Why so short, need mass release

In this panel Mc looks SMASHABLE :https://i.postimg.cc/4y8hYwwL/i.jpg
.
https://i.postimg.cc/3RYy9zcf/i.jpg
Master is a MASTERCHEF.
.
https://i.postimg.cc/J4GsTNp8/i.jpg
https://i.postimg.cc/T3bpxR8H/i.jpg

https://i.postimg.cc/V6zB64xQ/i.jpg
Art looks good 👍 👌
Well let's just try it out 🫣

https://i.postimg.cc/L8C6R42n/i.jpg
https://i.postimg.cc/KjRDq8GB/i.jpg