Review Detail of superslacker in Being Blind For Five Years, All My Disciples Became Forbidden Curse Mages

underlying premise of the MC's system [Every time you teach an apprentice, you will gain 1 teaching value.], it takes 999 value to restore his eyesight, skip ahead 4 years and he still needs 50 value to restore his eyesight when he is teaching multiple people on an almost daily basis. System(author) can't even keep proper track of his points so I'm not even going to try and continue reading this