Here Comes Baby Number Two: Come and Get Them, Demon Daddy!

The reason is: This novel is a second read, and it is different from the novels I have read before. A little bit fantasy, but quite nice. The male protagonist and the female protagonist met due to a misunderstanding, and they became happy enemies. The male protagonist accidentally discovers that he has a child, and later fights with the female protagonist for custody. Later, due to an incident, he changed his mind and began to pursue the heroine. But the wrong method was used, but because of the bitter meat trick. Successfully embraces the beauty, but the heroine's son often cheats on his father while protecting his mother. The daughter is stupid and clingy to the hero, and the hero's grandfather is against them being together. Because someone came to cause sabotage, the male protagonist accidentally learned about the bet. He also succeeded in winning, and the heroine also recovered her past life memories. The family lives together happily, and the bad guys are punished and paid. A pair of lovers finally get married,

Modern/metaphysical? Traveled through time? I don't understand... Living in modern times, one is missing the heaven and the other is the underworld, and you can also teleport... I don't know how to explain it, I haven't finished reading it.