One possible plot could be that Luna and Hermione are at a Hogwarts celebration. They accidentally drink a spiked punch. As they get drunk, they start sharing their deepest secrets. Luna might talk about her strange dreams and how she really feels about the ridicule she sometimes faces. Hermione could admit her insecurities about always having to be the perfect student. They end up supporting each other more deeply than ever before and form an even stronger bond. Their drunk adventures could also include trying to find the Room of Requirement while being in a giggly, disoriented state, thinking it's a great idea to look for some magical hangover cure hidden inside.
Well, the plot could involve Ahsoka getting drunk at a celebration on some new planet she's visiting. As she gets drunk, she starts to recall memories from her past, both good and bad. This could lead to her having deep conversations with those around her, like sharing her thoughts on the Jedi Order in a more unfiltered way than she usually would. Maybe she even stumbles upon a mystery or a secret that she wouldn't have noticed if she were sober.
In a fanfiction like this, they could be on a diplomatic mission to another village. After the official business is done, they are invited to a banquet where they get drunk. While drunk, Sasuke might get into a friendly argument with Sakura about different fighting techniques. Sakura, being tipsy, could be more assertive in her views. This could lead to them sparring drunk (in a harmless way) and then realizing how much they enjoy each other's company even when not in a serious ninja - related situation.
One possible plot could be that Naruto and Ino end up at a party where they accidentally drink too much sake. As they get drunk, they start sharing their deepest insecurities. Naruto might talk about how he sometimes feels like he's not good enough despite all his achievements, and Ino could open up about her pressure to always be perfect in the ninja world. Then they could support each other and form a stronger friendship.
Well, a plot twist could be that Luna discovers Draco has been involved in some sort of dangerous dark magic deal in the past that he hasn't fully come clean about. This could create a huge rift between them as Luna is a very pure - hearted person. Or perhaps there's a miscommunication spell that makes them believe things about each other that aren't true, like Luna thinking Draco is still a Death Eater at heart when he's actually changed. It would take a lot of effort to clear up this misunderstanding.
One possible plot twist could be that while drunk, Kagome accidentally reveals her true feelings for a certain character she has been hiding them from. For example, if she has a secret crush on Inuyasha, in her drunken state, she might blurt out something like 'I've always loved you' which could create a whole new dynamic in their relationship.
In the fanfiction, Luna might be lost in a time - loop created by a malfunctioning time - turner. Hermione realizes what has happened due to her familiarity with time - turner magic. Harry goes with her to enter the time - loop. Inside, they face various challenges from different time periods. They find Luna, who has been trying to break the loop on her own. The three of them then work together. Hermione figures out the correct sequence of spells, Harry provides the necessary distraction to the time - loop's guardians, and Luna uses her natural connection to magic to help Hermione complete the spell that breaks the loop.
One possible plot twist could be that while drunk, Sasuke accidentally reveals his true feelings for Hinata that he has been suppressing. Maybe he starts to talk about how he's always noticed her quiet strength and how it has intrigued him. Another twist could be that Hinata, in her drunken state, challenges Sasuke to a sparring match, which is completely out of character for her normally shy self. This could lead to a newfound respect between them as they see different sides of each other.
One possible plot twist could be that while drunk, they accidentally reveal secrets they've been keeping from each other. For example, Ginny might let slip about a small insecurity she has in their relationship that she's been hiding. Another could be that they end up in a part of Hogwarts they've never been to before while drunk and discover something mysterious, like an old hidden room with strange artifacts. Maybe they also get into a bit of trouble with the school authorities when they are found drunk, but this incident actually brings them closer as they face the consequences together.
Maybe there's a plot twist where Hermione discovers that Blaise has a hidden past or a secret mission that he hasn't told her about. This could put a strain on their engagement as she questions whether she really knows him. Or perhaps there's a magical curse that gets in the way of their relationship, and they have to find a way to break it in order to have a successful engagement.
Another plot twist might be that the wizarding world somehow discovers their secret marriage against their will. This could lead to a whole bunch of political and social implications. For example, there could be those who oppose the union due to Hermione's Muggle - born status and Harry being a symbol of the wizarding world. It could spark a movement for or against inter - status marriages in the wizarding community.