Your hand is the lip which is wet The tongue which makes it the middle of the body only makes it writhe ... The high school students can not sleep well from the trauma of their early days. The only solution I know now is to get tired completely. So I had a relationship with my childhood friend Katsura and my classmate Ibuki. However, one day, a student from the same school I happened to meet by chance, Sakurai, became anxious, and a change appeared in the feeling of treetops-.