Yoshiki and Hikaru, inseparable childhood friends in a quaint village, face a sudden shift in their relationship. Yoshiki senses a profound change in Hikaru after a significant summer, realizing his friend is no longer the same person despite appearances. Confronting Hikaru unravels a startling revelation as Hikaru transforms into a mysterious being and professes feelings for Yoshiki while issuing a dire ultimatum. Struggling with loss and conflicting emotions, Yoshiki navigates a turbulent path, drawn closer to this enigmatic new version of his friend. As their bond deepens, eerie events unfold in the village, casting a shadow of unsettling turmoil.