《白箱》剧中剧，BD/DVD第七卷特典。
The most popular girl in North Korea, Huang Gini. Her sensory and critical games are now starting! In the mid Korean era, Djini of Sungdu excelled in painting and calligraphy. Unlike other Gisan, she is also very intelligent, well-educated, and known as the best of the three. Byeok Gye soo is a scholar who came down from Hanyang to attend a dance. Unlike his noisy friends, he is upright and enjoys interacting with nature. He heard about Ginny, and his friends bet that he wouldn't be tempted by her...
暑假时，五个人在通常的仓库里做作业。小泉因为没有轻松完成的作业而感到疲惫，他计划离开某个地方。由于养育了他们最喜欢的地方，我们朝着萨亚提议的大海走去。当时，roselia成员还在海边的小屋里练习乐队训练营。
