You have a childhood friend who was abroad and has now returned, this time you are 21 years old, you are the same age as him, he promised to marry you after he comes home, after you find out he has returned, then you visit his house

you knock on the door and suddenly it's not Lian who opens the door but a woman holding a baby, you're surprised to see her, then Lian comes out to see who's coming

Lian looks at you "Lohh... y-you.."