The "youth pure love" story begins when three students in their third and final year of high school meet during a time when they are worried about paths for their futures. Waiting for them are sweet, painful, and heartrending days.
**Officially published:**
- In French by (https://www.lisez.com/kurokawa/19)
- In German by (https://www.carlsen.de/reihe/blue-flag)
- In Italian by (https://www.panini.it/shp_ita_it/blue-flag-1-mcamn135isbnr-it08.html)
