Parallel World Trading

"THE STORY OF LIAM HARUTO AOKI THE GREATEST EMPEROR OF PANDEA CONTINENT" Liam is an 18 year old Half Filipino Japanese. Needs 500 million pesos in 3 months for the treatment of his I'll mother. One night a comet hit the road while was going back home, he saw a crystal in the meteor crater, He picked up the crystal suddenly a light appear and the crystal gave him the ability to open a portal to another world. Liam decided to trade his products from his original world into a medieval one.and earn gold coins to trade in his original world. can he save his mother will he be able to survive? Alternative: genius trader in another world