Itsudemo Jitaku Ni Kaerareru Ore Wa, Isekai De Gyoushounin O Hajimemashita

Won I be able to get filthy rich if I use this skill? <br> Continually exploited at work, Amata Shirou quits his job and moves to his grandmas house. When he finds out that its connected to another world, he comes up with a plan to set up a business selling Japanese goods. <br> The story of a man getting rich using his skill that converts the currency of the other world to Japanese yen and so forth.