The residents of Maison Ikkoku come together for a joyous celebration of Yuusaku and Kyouko's wedding. Amidst the festivities, Yuusaku overhears talk of a letter Kyouko is anticipating, sparking jealousy and suspicion within him about her lingering affections for another. As the night unfolds, Yuusaku grapples with doubts, only to have the truth unveiled at dawn, putting his fears to rest.