Ep. 3: A letter from China to Yuuma serves as the season one epilogue.

3

This segment functions as an epilogue to the first season of the series. It takes the specific narrative form of a written letter. The correspondence is addressed from the character China to the character Yuuma. The content delivers a concluding message within the established continuity of the show's timeline. No additional plot events or character interactions are described beyond the existence of this epistolary communication between the two named individuals. The structure provides a final note to close the initial season's storyline.