Mushoku Tensei - If you go to another world, you'll get serious -

A 34-year-old NEET, who has no work experience and is unemployed, is kicked out of his house one day and dies after being hit by a truck while regretting his life. When he woke up, he was a baby. Apparently, he was reincarnated in another world. He vows that this time he will live a life without reg...