Kenichi, a single man in his 40s, is transported into another world for no apparent reason. As he tries to escape a dangerous forest teaming with monsters, he realizes he has the power to access to a huge online store.

By using this power to exchange goods he found in this new world for cash, and then buying modern ones off the internet, he was able to quickly create a very popular business. However, his goal is to have a slow and leisurely life. Instead of growing his business even more, he decides to settle down and live off of the power of Jeff Bezos.

The mail order life of a middle aged man in other world begins now!

(Source: MU)

Due to Kei's skills and cold playstyle, the mysterious Hideharu Seki takes an interest in him, introducing him to mahjong parlors and new potential opponents. But when matched up against an experienced player named Doujima, Kei is severely outskilled and only narrowly escapes going into serious debt. If he wants to protect his new life with Amina, Kei must find a way to outwit these shady characters and come out on top in every game he plays.

[Written by MAL Rewrite]