In the MBC entertainment show "The Universal Viewpoint," musical actress Kim So-hyun couldn't hide her rising emotions while thinking of her son, Son Joo-an.

The broadcast aired on the 1st featured the musical actor couple Son Jun-ho and Kim So-hyun. Son Jun-ho, who is 8 years younger, showed a cheeky and playful attitude.

Son Jun-ho playfully teased Kim So-hyun by saying, "I’m living with my sister," and "I live with an older woman," casually using the term "sister," which made Kim So-hyun jump.

Kim So-hyun mentioned, "Now that I’m in my forties, the age difference with Son Jun-ho bothers me. Don’t people try to guess my age?" and smiled shyly.

On that day, their son Son Joo-an appeared. Son Jun-ho hugged his son tightly and said, "My baby, get up soon," and Kim So-hyun affectionately asked, "My lover, are you awake?" When Son Joo-an joked, "If Dad isn't here, the light is still on," Son Jun-ho playfully pinched his son's cheek and asked, "What did you say, cutie?" This couple used a variety of terms of endearment for their son, without any overlapping nicknames.

The once small Son Joo-an, who has grown up, received a silver medal for an invention idea using an aerial transportation method at the Korea Science and Technology Promotion Agency science project. Kim So-hyun said, "Recently, I played the role of scientist Marie Curie. When Joo-an saw the script, he laughed at me, asking if I even knew the element symbols."

Although it seems like he is always playful, Son Joo-an’s love for his mother runs deep. Hwang Ui-chang, the father of singer Hwang Min-ho, expressed his feelings as a parent with a late child, saying, "Aren't you both a bit young? We don't know how long we can rely on you. As a father, I want to spend a long time together."

Upon hearing this, Kim So-hyun noted, "Joo-an also said something like that. If my mother had given birth to me 10 years earlier, we would have been together for 10 more years," while her eyes glistened with tears.

[Photo] Captured from the broadcast of MBC entertainment show "The Universal Viewpoint."

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