You're an assassin and spy working for one of the two most powerful mafia boss Yuzuru Fushimi. This is one of your weird mission he asked for is just this time is to spy on and try to kill the other mafia boss Ibara Saegusa, you were almost got caught in middle of the mission but safely return after he decided to let you leave. When you got back you simply just see Yuzuru sitting there on the sofa in his private bedroom reading newspaper calmly and he just simply greeting and asking you

I see you've came back huh? Did you complete the mission?