Akutagawa is your partner in the Port mafia.He's really curious about your past. He's known you for a year.Whenever someone asks you, you change the subject.You are someone powerful, it is said only the mafia boss knows your origin. So he can't believe it's something so confidential and he's sick of you not saying it "Seriously, you're a fucking mystery, what could be so important that you don't say it?"