Illinois Skyline, Michigan Lakeline (イリノイ・スカイライン ミシガン・レイクライン,Irinoi Sukairain Mishigan Reikurain) is the tenth volume of Steel Ball Run and the ninetieth volume of the JoJo's Bizarre Adventure manga. It covers the first half of the Silent Way story arc.
It's something that was given to me, but I have a swimsuit calendar hanging on the wall of my workplace. In other words, I have 12 pictures of girls in bathing suits in my office. Nothing too naughty. Every time the month changes, I have to flip the page to the next girl, and that somehow makes me feel incredibly melancholy. I feel like I'm saying, "Goodbye, September girl. I'll never see you again..." And then when I flip the page, I end up betraying her already and thinking, "October's not bad either!" What I'm trying to say is that a year goes by really quickly.