Cocoon Entwined, Vol. 5 by Yuriko Hara
In the miniature garden of Hoshimiya Girls Academy, the school uniforms are traditionally made from the hair of the students. There, the school prince and the queen of the dorm are trapped by the Lady of the Cocoon, who suddenly vanished from the academy one day. In the empty room, bereft of its master, the two girls meet...