Asuka Shin and Dagu met at the end of Ultraman Tiga's theatrical version of "The Final Holy War".

At the end of the plot, Dagu and Lina reunited in the church. A year later, the two got married and participated in the Mars immigration plan to study plant cultivation. On the way to the flight, a young man who had just entered TPC took off his hat and saluted Dagu and Lina. That person turned out to be Asuka Shin! Dagu then silently blessed him in his heart and embarked on the journey to Mars.

Extended information:

Introduction to Asuka Shin:

Asuka Shin is the son of astronaut Kazuma Asuka, the human body of Ultraman Dyna, in TPC Joined SUPER GUTS after graduating from the training academy ZERO as the top student.

He was surrounded by mysterious light in space, and on Mars he transformed from the light in his body into the new Titan of Light, Ultraman Dyna. Asuka was a baseball player in high school, so in the play He is often seen playing baseball with others (usually with his dad).

As a male protagonist, he is a rare funny person. Several times in the show, he is seen pretending to be dead to observe the performance of his teammates. But he didn't always play life. Although he is very proud, Asuka has firm will and courage, and is kind-hearted. And his well-known saying is "never give up", and he keeps moving forward in this way.

When fighting against the monster Gurosi, Asuka was unable to transform into Ultraman Dyna because of his pride as a hero. Only after he changes his past and corrects his mentality can he transform into Ultraman Dyna again. From now on, although Feiniao still acted like a fool, he became more mature and steady, and gradually grew into a real warrior.

Baidu Encyclopedia-The Final Holy War

Baidu Encyclopedia-Flying Bird Letter