It's possible that his dad doesn't get the joke at first. He could look a bit confused and ask Adrien to explain it. For example, if the joke has some inside knowledge about Hawkmoth from the Miraculous Ladybug world that his dad isn't fully aware of, he would need some clarification. Then, after Adrien explains, he might laugh and say 'Oh, now I see. That's funny.'
Maybe his dad gives a small smile and a nod. He could be a bit reserved in his reactions but still show that he appreciates Adrien's attempt at humor. He might say something like 'That was quite clever, Adrien.'
Maybe the joke is 'Why is Hawkmoth always so stressed? Because he has too many akumas to manage!'.
Maybe Adrien says, 'Dad, why is Hawk Moth always so gloomy? Because he's in a bad'mood' (as in his evil plans).'
Because he wants to make his dad laugh. Simple as that.
Well, perhaps the fanfic is about a world where cats can talk and Adrien is sharing with his dad all the funny cat - related puns from this fictional world. For example, the cats might make puns about their favorite fish or the warm spots they like to nap in.
Since I don't know the specific content of this fanfic, it's hard to give a detailed summary. However, if we think about it, perhaps in the story Adrien uses cat puns to amuse his dad. It could start with Adrien seeing a cat and then coming up with a series of puns based on the cat's behavior or appearance. For example, if the cat has big eyes, he might say 'Dad, that cat has eyes like saucers, it's so meow - velous'.
He might be shocked at first. In many fanfictions, Adrien would feel a mix of disbelief, anger, and sadness. He has always known his father as a strict but loving parent, and finding out he's Hawk Moth, a supervillain, would completely shatter his view of him.
The funniest part could be when Adrien makes a really cheesy cat pun that catches his dad off - guard. For example, if he says 'Dad, this cat is so cool, it's the cat's meow!' and his dad just bursts out laughing at how corny it is.
A good fanfic about their bonding should have well - developed characters. The author needs to show the different sides of both Adrien and his dad. For example, Adrien's dad could be strict but also have a soft side when it comes to his son. It should also have a believable plot. Maybe something as simple as a day at the park where they have a meaningful conversation. The dialogue is key. It should feel natural, like a real father - son conversation.
The main characters are clearly Adrien and his dad. Adrien is the one who has the cat puns to share, and his dad is the recipient of these puns.
Well, perhaps Adrien has been reading a lot of cat - themed books or stories that are full of puns. He decides to tell his dad these puns to brighten his day. For example, he says 'Dad, I heard that cats are great at multi - tasking. They can nap and look cute at the same time!'. His dad might then join in and they could have a fun time coming up with their own cat puns.