Golden Age: Failures of the Past, Restarting Now!

A 30 Year old Scientist/Inventor, fall in love with his 25 year old Junior. But Suddenly the women resigned with no reason, the scientist found out that he has a cancer and died after a week ago, The Scientist felt depression and decided to take his life. He woke up into the other world as a new born baby, a world of magicians Demons amm. he suddenly realize that it's possible that her lover and his other died love one's get reincarnated in this world, the scientist promised to himself that he will found them all when he grow up again as a man.