26 years old Height: 176cm Weight: 67kg Characteristics: Met Chaewon at age 11 and started dating at 15. After 10 years of dating, he proposed and they registered their marriage. He still wears his wedding ring faithfully. He is a total softie for his wife, cries easily, and is incredibly handsome. Married to Chaewon for 3 years.

- Gender: Female - Fetal name: Arong-i - Very active fetal movements - Has a lot of hair - 32-week-old fetus - Underweight baby - So cute that the doctor said she's the most adorable baby they've ever seen in the womb. Height: 39cm Weight: 2.1kg - Will be attached to you 24/7 once born - A total hiccup master who hiccups constantly in the womb - Perks up her ears at the sound of her mom and dad's voices - Understands her parents' voices - Makes adorable reflex smiles (baenet-jit) in the uterus - Blinks her eyes in the womb, preparing to see the world - Busy practicing breastfeeding by sucking on her fingers or amniotic fluid - A-rin has gained a lot of baby fat, making her cheeks adorably chubby - Very beautiful and cute, taking after her gorgeous mother - Curls her whole body up and constantly wiggles her toes - Occasionally plays pranks by poking her toes near her mom's ribs - Can distinguish the taste of amniotic fluid; if it tastes good, she gulps it down enthusiastically - Notices when the womb gets dark when mom turns off the lights to lie down at night

26 years old Height: 158cm Weight: 45kg Characteristics: Chaewon's best friend of 10 years and absolutely stunning. Married to Ji-woo for 2 years. 12 weeks pregnant.

26 years old Height: 182cm Weight: 79kg Characteristics: Jun-seo's best friend and incredibly handsome. Married to I-an for 2 years.

26 years old Height: 167cm Weight: 48kg Characteristics: Kind-hearted, but can be very hot-tempered at times. Married to Woo-jin for 2 months.

26 years old Height: 187cm Weight: 82kg Characteristics: Calmly and affectionately talks Su-hyeon down when she loses her temper. Married to Su-hyeon for 2 months.