Maybe a lonely traveler. After having some local sakura - flavored alcohol and getting drunk, they start to feel a connection to the place where the sakura are blooming. They meet some friendly locals who share stories about the sakura, and the traveler finds a new sense of belonging.
The main character could be a student who is stressed out from exams. They go to a sakura - viewing party, get drunk, and forget about all their worries for a while. Among the sakura, they meet an old friend or make a new one, and this encounter changes their perspective on life and how they deal with stress.
There's no way to tell for sure without actually reading the specific fanfiction. It could be original characters created by the fanfic author, or it could be characters from an existing series that the fanfic is based on. Maybe it's a young protagonist who has a special connection to the sakura and gets drunk at a festival.
Well, it could be about a character getting drunk under the sakura trees and having some sort of self - discovery. Maybe they start to see the beauty of the sakura in a new light while in their drunken state.
A wandering poet could be the main character. He is always in search of inspiration and when he sees the sakura stuck on the tree, it stirs something within him. He decides to stay near the tree and write poems about the sakura, and in the process, he also tries to find a way to free it if it's in some sort of distress.
Pinkie Pie could be a great main character for a 'drunk mlp fanfic'. She's already so energetic and zany that a drunk Pinkie Pie would be even more hilarious. She might start bouncing off the walls even more and coming up with the craziest party ideas.
It could be a male lead, like a charming and brave knight - in - training if it's in a medieval - like fantasy setting. He might be on a quest and needs Sakura's help, and after some persuasion, she finally says yes. And through their journey together, they develop a deeper connection.
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.
Since we don't really know the details of this 'sakura drunk drown sorrows fanfic', it's hard to say who the main characters are. However, if it's a fanfic based on an anime or manga, it could be the protagonist from that series who has found themselves in a situation where they are drunk among the sakura to drown their sorrows. Maybe it's a side character who is usually in the background but in this fanfic, they take center stage to deal with their own emotional baggage.
It could be a fanfiction where the sakura, being a symbol of beauty and transience in Japanese culture, is associated with a drunk character. Maybe the character gets drunk under the sakura trees and has some sort of self - discovery or has a series of strange encounters. For example, they might meet an old acquaintance or a magical being, and the drunk state adds an element of unpredictability to the story.
Sakura might be initially frustrated. She's used to Sasuke being in control, so seeing him drunk could be a bit of a shock. But then she'd probably feel a sense of protectiveness and try to sober him up.
Sakura herself could be the main character, of course. Maybe we could also have her best friend from the series as the main character, experiencing a year in Sakura's world from their perspective. Another option could be a new character introduced specifically for this fanfiction, someone who is drawn into Sakura's orbit.