GL manga "Vampire-chan X Kouhai-chan" Volume 4! Is there hope for the fate of the vampire and her bride? What future awaits them after their respective resolutions? As Sarah grows weaker day by day, Iris can only watch her. They wander and suffer, but their love remains strong. Before leaving, Sarah contemplates what more she can do for Iris. If only she could leave behind a bit more happiness. The only gift Iris wants, her one wish, is... "I feel like I could fall in love with you over and over again." "Senpai, I'm so glad to be your bride." Spring, summer, autumn, winter. A year filled with happiness. Will the promise to see the ginkgo flowers together be kept? A fateful love story that weaves through the time of vampire Iris and her bride Sarah!