The summer blaze at its peak, mirroring the growing affection between Sawako Kuronuma and Shouta Kazehaya. From joint summer school sessions to introductions to each other's families, they savor shared moments while confronting the self-doubt and emotional pressure that accompany their fresh romance, navigating new emotional territory. At the same time, Sawako"s close companions, Chizuru Yoshida and Ayane Yano, wrestle with their own love predicaments as previous relationship memories collide with current emotions. Burdened by inner conflict, the teens" yearning for closeness endures into their sophomore year as they navigate the maze of uncertainty and insecurity that defines everlasting love in the heart.