It was 11:33 p.m. Lim Cheolho, the head of Satisfy’s development team and of the S.A. Group, had been working all night. 

Satisfy was a game with over two billion users, so there were always countless variables. Satisfy’s overall flow, whether small or large, depended on what each of the two billion users was doing. The system was impossible to maintain if errors kept occurring.

Lim Cheolho was always enthusiastic about building a complete system.

‘I can’t allow even a single error.’

He had unmatched concentration whenever he focused on his work and only heard his ringtone after 40 seconds or more. It was a call from the operations team.

“What’s going on?”

(Quest B408 has been triggered. Please authorize the convening of an emergency meeting.)

Lim Cheolho’s mind revolved and then recalled the information about B408. B408—it was a codename for S-grade hidden quests that needed special conditions to be fulfilled. 

"The compensation for Quest B408 is a second class?"

The users who cleared B408 would be able to obtain another class. In Satisfy, he might be the first user to have two classes. However, the more...