Kota and Asuka, still early in their relationship, are building a pure and warm bond as their trust in each other grows. On the first day of a long holiday break, Kota invites Asuka to a takoyaki party at his place, and though a little nervous, she happily agrees. However, Asuka is hiding a secret—she's still a virgin. Unexpectedly, she ends up staying the night, and overwhelming tension leaves her frozen and unable to move. A night of intertwining innocence and nervousness begins, leading to their first time together.