15. 【0015】Your sister helped you

one cup. It’s the strongest baijiu we have on board! My grandfather usually wouldn’t even let us drink it, but since he's not here, I secretly took some out for you to try. If you don't drink it now,...Section 15 Sister Helps Youect was that Kozumi Kazuo would actually betray him at the last moment and tell him this earth-shattering secret. And from the signs, could it be that this blood oath is connected to a special agency...