One salaryman is in for quite a surprise when his isekai fantasy becomes his all-too-real life! Itsuki Shimomiya, exhausted office worker, has hit the jackpot...right? Reborn in a fantastical world, Itsuki finds himself with a magical skill that generates fat stacks of cash once a day. It should let him finally relax without having to bother with your usual fantasy fuss of slaying monsters, but otherworldly cost of living is higher than you'd think. With his wit and otherworldly knowledge, can Itsuki finally create a relaxing life for himself?