The best places to look would be well-known ebookstores like Amazon or Google Books. They usually have a search function that can help you locate the specific novel. Another option is to search on literary forums or communities where users might share links or recommendations for reading it online.
The novel 'Daddy is coming, Mommy is running' is a plot that usually appears in modern romance novels. In this plot, the protagonist, Kitten's mother, met her father at some point. The father was a wealthy entrepreneur and also Kitten's godfather. When his father appeared, he would pursue Kitten and her family and try to control their lives. In order to avoid her father's pursuit, Kitten and her family needed to escape from a certain place quickly. Therefore, they would usually arrange for the father of the cat to appear in the novel and ask the mother of the cat to run away to avoid his pursuit.
It's not easy to find it for free legally. Sometimes, public libraries might have digital copies available for borrowing. But illegally downloading or accessing copyrighted material is against the law and not recommended.
The 'kyoya and tamaki mommy and daddy fanfiction' might explore a unique relationship dynamic between Kyoya and Tamaki. It could involve themes of family - like or mentor - like relationships. For example, if one is seen as the'mommy' figure, they might be more nurturing, while the 'daddy' figure could be more authoritative. This kind of fanfiction often delves into the characters' personalities in new and interesting ways that the original work might not have fully explored.
One possible theme could be family reconciliation. Since they are getting remarried, there may be a process of making up for past mistakes and healing old wounds within the family.
I haven't actually read this novel specifically. But generally, a novel about parents getting remarried could explore a lot of complex emotions. It might focus on how the children in the family react to this new situation, like feelings of confusion, insecurity, or even excitement in some cases. There could also be a lot of drama around the new relationships forming between the parents and their new partners, as well as with extended family members.