モンスターカスタマーでしょう
monsutākasutamādeshō
1. Probably a difficult customer.; Probably a demanding customer.
Noun
#2775535
1. Probably a difficult customer.; Probably a demanding customer.
1. monster; monstrosity
2. giant; influential figure
3. monsterlike; over-demanding
1. customer
1. it seems; I think
2. right?; don't you agree?
1. Customer's; Of customer
1. Customer; At a customer
1. Customer.
1. Was a customer.
1. If customer; When customer
1. Was a customer.