Do you believe in big bang theory? What if it is half true half false? Let this novel broaden your horizon about the truth of this world. A scientist that is very fond of fantasy novels or any unbelievable events since young until becoming the greatest scientist in this world ,earth. At the age of 38 he created a time machine that brougth him in the past 50 billion years ago before the so called big bang event.

This so-called 'girlfriend' turns out to be a man!?

Devoted and handsome male god senior x outwardly beautiful junior with a beauty-obsessed demon king inside...