The Third Wife

Koharu returns home to save her family's café, only to find polygamy is legal. She must decide whether to become Ryunosuke's third wife.

Koharu, now Ryunosuke's third wife, struggles with Harem marriage rules and his unemployment. She returns home and learns he's a composer.

Koharu's honeymoon in Japan's Spa Resort Hawaiians is strained by Harem Marriage rules and her jealousy of Ryunosuke's wives.

Koharu's father demands a divorce. As his health declines, Koharu and the Date family organize a fishing trip to cheer him up.

Koharu's birthday date with Ryunosuke in Tokyo disrupts Madoka's scheduled night. Madoka waits but is left hurt, prompting a dramatic reveal.

Yuzu, pregnant and rejected by Joe, leaves the Date family home and seeks refuge elsewhere, her future uncertain.

Yuzu, determined to raise her child alone, returns to the Date family home to confront Ryunosuke and Joe, who await her decision.

Four years later, Ryunosuke plans to remarry Madoka, shocking Koharu. Madoka's scheme to monopolize Ryunosuke threatens the family.

Koharu decides on divorce after many hardships. She returns to Tokyo, but Yuzu and Madoka visit her at work.