Some context before we begin:
This takes place after some of the events of my origin fanfic that I've been working on. Some stuff in this fanfic follows it, some does not. Bowser Jr. is officially 18, making him an adult and thus allowed to leave the Darklands all he wants; being an adult, he can now do things without the constant suspicion of Kamek and his father. He decides to stay with Toadette (who is now 19), and he is almost permanently living with her now. This is written in Toadette's view because, unlike Junior, Toadette is more emotional and can actually explain what she's feeling. I also wanted to write something that better showed how she felt loving him in a way she had never done before, so I guess this is more so about their love than it really is about the intercourse.
That doesn't mean, however, that this story isn't explicit. It is very explicit, and if you're sensitive to this type of content or heavily dislike aged-up characters or you're under 18, then I really advise you not to read this. I am not accountable if you get disgusted or offended— it was your choice to read it, not mine, and you have officially been warned.
That being said, if you're ok with this kind of content, I hope you enjoy this! It was fun writing it. I have no idea if I will post anymore in the future; as I've stated in the past, I'm really more of a 'safe for work' writer/artist, with only the occasional 'not safe for work' piece. I mainly like keeping my AU SFW and available for everyone to enjoy! However, having a mature side is fine as well... :0