After (Y/N) finds out about the death of their best friend, they spiral out of control. One thing led to another and they end up finding a small paper ticket on the ground labelled 'Free Investigation' with a childish doodle. It was stupid, but (Y/N) wanted answers, and one way or another, they were going to find them. Cover art by pak ce on Danbooru

The 1920s went by many names. Roarin' 20s, Jazz Age or the Prohibition Era. But to a young man? He called it home. Up until he was put into the ultimate "isekai" situation. Now stuck in the modern day? He has to figure out what to do. Luckily, he is found by a man with a dream about running an idol agency-PFFFFT. Who am I bullshittin'? This part of my life is goin' to be a riot! But an old face is now a coworker...this should be fun~