Natsu to Hako

A young man returns to his rural hometown for the summer, carrying a mysterious box that holds more than just memories. He reunites with a childhood friend, a girl he hasn't seen in years, and the two begin to spend time together amid the quiet, oppressive heat of the season. The box, which he keeps close, seems to contain something that binds them both.

As the days pass, their reunion stirs buried emotions and desires, leading them to confront the unspoken tension between them. The box becomes a catalyst for their hidden feelings, forcing them to face the truth of their relationship and the secrets that the summer heat threatens to expose.