Awakening love feelings. The desire for possession is unstoppable…!! Natsuki, who has become aware of her love for Haru, finds herself unable to control her possessive feelings. Her emotions of wanting, loving, and hoping for him to notice her are about to spiral out of control…? She accompanies him on the day of the Prince Cup prize presentation, spending summer vacation together. Matching outfits, dates, and gradually closing the distance――. The summer vacation is packed with events that keep her heart racing!