Late at night, Yume is home alone, minding the house by herself. Her neighbor, a young boy who has long harbored feelings for her, seizes this opportunity. He invites her to share some sweets and enters her home. As they gently talk, their bond slowly grows closer. Eventually, he slips a sleeping drug into Yume's drink, drastically changing the course of their relationship. Amid the quiet night, a tense and unexpected drama unfolds like a dream.