When Hibio's adventurous mother embarks on a quest to study a secretive tribe, her plans encounter a snag. Serendipitously, the enchanting Nima glimpses a family portrait and resolves to claim Hibio as her future spouse to assist in her research endeavors. Without consulting him, she agrees to the unconventional proposal. As Nima arrives in Tokyo to join her unsuspecting husband, a whirlwind of humor and pandemonium unfolds, blending Hibio's contemporary urban upbringing with Nima's mystical lineage.