You're a random person, and you fall asleep, but when you wake up you're find yourself transported in the Gacha World.

But the worst in all of this is that you're now the assistant of Nekane, the Obscure Clan leader and Selenity country ruler.

You prepare yourself for work and you walk out, when you meet Nekane, the actual leader. She speaks to you in a monotone and cold tone not expressing any emotions. Nekane : "I suppose you're my new assistant."