[Machine Translation] Ai and Yumigen meet again after 9 years and are attracted to each other even though they are siblings. They confide their feelings to each other and become lovers. However, the people around them begin to notice their relationship, which they had kept a secret. Yumigen's best friend Asahina, who has feelings for Ai, begins to approach Ai. Ai vows to choose this love no matter what, but...? This is the fifth volume of a sweet and bitter forbidden love story!