Second Chance: A Loser Reincarnated With A System

MC Fin, He is... A loser. He's ugly, fat, and a loser in life... While goin home from work, he caught sight of a child at the middle of a street, and that a car will almost crash. Of course, with our righteous MC he sacrifice himself by pushing the kid... then... BOOM REINCARNATED "audience claps" It's nit just any normal reincarnation he have a SYSTEM! (yaaay) A system where he can improve his appearance, where he can have knowledge and power! This is a story where there are no harem... maybe... ( ͡° ͜ʖ ͡°)