Although Youko resolved to stay by Hana's side in Yokohama, when they return to the classroom, their relationship grows strained as Hana flounders in the wake of Hoshimiya's disappearance. Meanwhile, Ayane expands her web to entangle the "little sisters" of Hoshimiya Girls' Academy--and her gaze is now on Hana. Can Youko's newfound strength pull Hana from her cocoon before it becomes completely enmeshed in Ayane's desire?