Lee la novela Sign In System in COTE escrita por el autor bananaphone publicada en WebNovel. A random guy gets reincarnated into the world of the classroom of the elite (with some new additions), he does not know he is in this world because he didn't watch the anime. You will follow his adven...
Resumen
A random guy gets reincarnated into the world of the classroom of the elite (with some new additions), he does not know he is in this world because he didn't watch the anime. You will follow his adventures.
The MC has a Sign-In system that gives him a passive skill every 1000 days, nothing crazy I think, but it's still pretty good