Watashitachi wa Douka Shiteiru: Tsuma Koi

Synopsis

A raging storm! The newlyweds face new upheaval! It's November, two years after Chiyo was born. Tsubaki's heart flutters when he receives a letter from his real father, the head of the Takigawa family. However, he hides this and goes on a honeymoon to Kyoto with Nao. While spending their sweet trip alone, a certain encounter changes their fate...!? (Source: Be-Love, translated)