JAV48

...A love affair of mistaken identity. Koichi, the only son of a well-known local wealthy family, and Emi, a single parent, were at a loss as their marriage was vehemently opposed. Takuma, a childhood friend of Koichi's who couldn't stand to see them, encouraged them to elope and secretly move to Tokyo to start their new married life together. The two are grateful to Takuma for helping them find happiness. Takuma is transferred to another city and comes to Tokyo by chance.