1. si reborn as a homunculus in full metal alchemist brotherhood
2. si as naofumis shield, kind of like that manga about the guy that is now a sword.
3. si reborn as a ghoul. there aren't enough of these, plus imagine if the si was all sarcastic and funny all the time,
it would be nice for a less serious person to be there.
4. si that just shows up in mha after death as a ghost, not even reborn just bam
now they are there and are a ghost with ghost powers.
5. si reborn as a monster egg (your choice) in Shield hero that naofumi bought along with filos egg
6. si reborn in Ascendance of a Bookworm as mynes sibling also they watched the show. and by sibling i mean like
if mynes family had one more kid. i also think it would be cool if there was a
fic where senku from dr stone was that reborn sibling.
7. a fanfic about an si that is reborn into one piece in south blue and their
goal is to be one of the 7 warlords because they thing it would be cool.
8. si in sao as a npc (i know there is a fic of this already but it's too damn short)
9. years before cannon a si is reborn as a demon in welcome to demon school irima kun
and has watched the show. i feel like if you put a former human in that show it
would be so funny and a extra friend for iruma, i can see it now. the si would
mess with iruma before he revels his past to him like "oh you smell different" haha
10. a fic where an si is now a parasyte from the anime parasyte BUT they spawn in
the promised neverland and are now one of the kids (most likely Emma's) hand
11. a saga of tanya the evil fic where being x punts another non believer into
tanyas head so tanyas in control but has to deal with another person as the backseat
driver and they constantly are like "chill bro"
12. a demon slayer fic where the si wakes up as a ghoul and the slayers are all
omg it lives in sunlight.
13. a soul eater fic where the si is reborn as a witch and deals with the DWMA