Middle aged man wasted away most of his life and enters hyperbolic time chamber to make up for wasted LIFE in 2 years... Premise - old men can drem (but only if you have hyperbolic time chamber and hidden super-power) and - me humble I think I not stronk E-rank exam too hard pls send halp.
Still a decent read, but now writer has to progress with MC's character and story since MC made it to the mighty
(wow) and old men can drem premise has been sold too many times already.
If these ideas are supposed to be the center of the the entire manga, then it looks dire since they have been overused already