Himari is happily engaged, looking forward to her wedding next year. But everything changes when she attends a class reunion at her all-girls high school and reconnects with her former classmates. As always, her charm makes her the center of attention, and the atmosphere is cheerful—until Sakura, one of her old friends, reveals a deeper, hidden desire. Sakura has secretly loved Himari since their school days and never managed to forget her. Learning about Himari's engagement drives her into despair. Unable to suppress her feelings, Sakura decides that even if just for one night, she wants to make Himari hers. Surrounded by people at the reunion, she corners her and initiates a lesbian encounter that will shake the foundations of Himari's future.