Centuries ago when portals started popping up all around the world monsters flooding out of portal and started attacking humanity but at the same time some special selected individual started to awaken with mysterious power people called "Hunters."

Hunter were able to control the damage and brought stability to world. Government toke action and created hunter association to regulate hunter from committing any sorts of crime. People start to create guild to gather powerful individuals or strength to face monster coming out of portals and also for fame and power.

In present time, everyone has mysterious power and almost everyone strive to be hunter for fame and financial stability, although our protagonist Ryuu is your everyday normal worker, working paycheck to paycheck like cashier, load carrier, etc.

Ryuu has one goal that is to save up as much as he can and to eat scrumptious food in High standards hotels or restaurants as he can. He do not care whether food is expensive or not the only he care about is whether food is good or not.

Ryuu's sister Kyoko who abandoned Ryuu when he was 13 year old is now guild master of top guild of Korea decided to show up after 5 years to ryuu house. would ryuu be mad or furious or happy that Kyoko showed up?