Cynth's manga / #model(1)

1st couple model top, manager bot , bottom wants a child so he slept with anyone, top likes bot smell and fell in love. It was cute 2nd couple, manager and new model age gap cute 3rd couple 2nd bot son, I didn't remember the story but I think it's enemy's to lover something 4th couple unrelated to the 3, incest nephew x uncle it's weird really weird