"selfcest but its a person + them after some event that makes them stronger/gives them powers or something"

"Selfcest but current you x past you who is edgy and cringe asfffff"

"selfcest but its their past self that hurt everyone x their current self that finally changed after years of trial and error but still hate each other playfully"

"selfcest but its doomed timeline trying to save themselves from making the same mistakes"

"pastxfuture self, past is doing shitty, future is only doing worse"

"Selfcest but you hate yourself"

"selfcest but they have facial feature gap (they're in the same age but the other looks older due aging)"

"Selfcest but cafe AU, basically a cafe full of one person"

"selfcest but its a hero stuck in a time loop x them except as a villain because time loop shenanigans"

"Selfcest but it's between a person and their past self but the past self doesn't even realize it's their future self because the shit that happened to the present day self changed them so much they're genuinely unrecognizable"

"Selfcest but uh uh how can I make this about Harley Sawyer oh Selfcest but it's a robotic character and their non robotic self 🥺🥺"

"selfcest between the same person but its their minecraft skin and roblox avatar and theyre identical/same sona"

"Selfcest but its someones bluesky account and Twitter account"

"Selfcest but its the same person but in different fashion senses/genres"

"Selfcest but its two temporally entangled versions of the character👀 (Adult Arayas)"

"selfcest but it's the individual's enneagram tritype ..."