Throughout the series, Futaba and Kou navigate the challenges of their rekindled relationship, including misunderstandings, jealousy, and their own personal insecurities. Futaba struggles with her fear of losing Kou again and worries that he will leave her once more. Kou, on the other hand, has been carrying emotional baggage from his past that affects his ability to fully open up to Futaba.
As their relationship deepens, they also become involved in the lives of their friends, including Yuri Makita, Futaba's bubbly and outgoing best friend, and Kikuchi, a kind and supportive classmate. Yuri starts to develop feelings for Kou, which causes tension between her and Futaba. On the other hand, Kikuchi begins to develop feelings for Futaba, complicating things further.
As Futaba and Kou navigate their feelings for each other and the challenges that come with young love, they both learn to communicate better and be more honest with each other. They also confront their fears and insecurities, ultimately finding strength in each other.
The series explores themes of friendship, love, self-discovery, and the importance of being true to oneself in the face of societal expectations. Through their journey, Futaba and Kou learn to let go of their past and embrace their feelings for each other, paving the way for a brighter future together.