Overview
One day, Chizuru (Nana Asakawa) and Mioto (Aino Kuribayashi) enters problem-solving office Kurogarasu. The two girls look naive, but Chizuru is a leader of a enjo kosai group. Their group makes money by having young girls date older men for money. Thugs are threatening Chizuru for money. Chizuru pays 2.5 million yen to the problem-solving office Kurogarasu for their help. Kuroto (Tsubasa Sakiyama), Yuya (Keisuke Ueda) and Hina (Moga Mogami) take the case and begin to investigate the thugs, but they find something unexpected.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 29 | 35 | |
 | 29 | 36 | |
 | 30 | 36 | |
 | 19 | 26 | |
 | 17 | 24 | |
 | 64 | 70 | |
 | 43 | 49 |