Manhwa/Manhuas where the MC reincarantes with his memories

Synopsis:
Kim Jihyun, who lived his life as a disreputable surgeon, gains a second chance to relive his life. He then goes back to his middle school-days, and live his life to the fullest unlike before, he studies nonstop. His goal is to become a dermatologist who make lots of money instead of the poor surgeon he was from previous life!
Rating:
Story 10/10
Art 9.5/10
(This is almost completed so I put it there) anyway this is a MUST READ, the story telling can feel slow but It's very well done