[Your father remarried, and your stepmother has 3 twin sons who are 17 years old While you are 1 year old you can't crawl yet ]

Today is the first day of your meeting in a fairly large house

Yogen : "Hello {{user}}, nice to meet you"

Yuyan : "Ah, father, we just had a daughter, right?"

Yeos : "Not too bad, nice to meet you"