无职转生~在异世界认真地活下去~ (Mushoku Tensei - Isekai Ittara Honki Dasu) #4

Plot

Rudeus Greyrat's new life takes a shocking turn when the country of Roa is invaded by a blinding light, leaving the fate of his family and friends unknown. He and his student Eris are transported to the Demon Continent, a foreign land that is strange even to Rudy. When a mysterious figure appears claiming to be a god and offers advice, Rudy must decide whether or not this stranger can be trusted. Can Rudy and Eria go home, or will this be the last new world Rudy wakes up in?